From 57b74109c3da0c4d1e940cfda288164e970ce93b Mon Sep 17 00:00:00 2001
From: MarcoGorelli <MarcoGorelli@users.noreply.github.com>
Date: Sat, 1 Jul 2023 07:05:26 +0000
Subject: [PATCH 1/4] =?UTF-8?q?=E2=AC=86=EF=B8=8F=20UPGRADE:=20Autoupdate?=
 =?UTF-8?q?=20pre-commit=20config?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .pre-commit-config.yaml            |  6 ++---
 pandas/_libs/algos.pyi             |  6 -----
 pandas/core/algorithms.py          |  2 +-
 pandas/core/arrays/_mixins.py      |  2 +-
 pandas/core/arrays/arrow/array.py  |  2 +-
 pandas/core/arrays/base.py         |  2 +-
 pandas/core/arrays/masked.py       |  2 +-
 pandas/core/arrays/period.py       |  2 +-
 pandas/core/arrays/sparse/array.py |  2 +-
 pandas/core/arrays/string_.py      |  2 +-
 pandas/core/base.py                |  2 +-
 pandas/core/dtypes/dtypes.py       |  2 +-
 pandas/core/frame.py               | 40 ++++++++++++++--------------
 pandas/core/generic.py             | 42 +++++++++++++++---------------
 pandas/core/groupby/generic.py     |  4 +--
 pandas/core/indexes/base.py        |  6 ++---
 pandas/core/indexes/category.py    |  2 +-
 pandas/core/indexes/datetimes.py   |  6 ++---
 pandas/core/indexes/interval.py    | 10 +++----
 pandas/core/indexes/multi.py       |  2 +-
 pandas/core/indexes/period.py      |  4 +--
 pandas/core/indexes/range.py       |  8 +++---
 pandas/core/series.py              | 24 ++++++++---------
 pandas/core/tools/datetimes.py     |  4 +--
 pandas/io/common.py                |  8 +++---
 pandas/io/excel/_base.py           | 12 ++++-----
 pandas/io/excel/_odfreader.py      |  2 +-
 pandas/io/excel/_odswriter.py      |  2 +-
 pandas/io/excel/_openpyxl.py       |  4 +--
 pandas/io/excel/_pyxlsb.py         |  2 +-
 pandas/io/excel/_xlrd.py           |  2 +-
 pandas/io/excel/_xlsxwriter.py     |  2 +-
 pandas/io/feather_format.py        |  4 +--
 pandas/io/formats/csvs.py          |  2 +-
 pandas/io/formats/excel.py         |  2 +-
 pandas/io/formats/format.py        |  2 +-
 pandas/io/formats/style.py         |  2 +-
 pandas/io/formats/xml.py           |  2 +-
 pandas/io/json/_json.py            |  6 ++---
 pandas/io/parquet.py               | 14 +++++-----
 pandas/io/parsers/readers.py       |  4 +--
 pandas/io/pickle.py                |  4 +--
 pandas/io/sql.py                   |  2 +-
 pandas/io/stata.py                 | 10 +++----
 pandas/io/xml.py                   |  2 +-
 pandas/plotting/_core.py           | 20 +++++++-------
 46 files changed, 144 insertions(+), 150 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4379220c33687..8be67546f17a4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -28,7 +28,7 @@ repos:
         types_or: [python, pyi]
         additional_dependencies: [black==23.3.0]
 -   repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.270
+    rev: v0.0.275
     hooks:
     -   id: ruff
         args: [--exit-non-zero-on-fix]
@@ -40,7 +40,7 @@ repos:
         pass_filenames: true
         require_serial: false
 -   repo: https://github.com/codespell-project/codespell
-    rev: v2.2.4
+    rev: v2.2.5
     hooks:
     -   id: codespell
         types_or: [python, rst, markdown, cython, c]
@@ -103,7 +103,7 @@ repos:
     hooks:
     -   id: isort
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v3.4.0
+    rev: v3.7.0
     hooks:
     -   id: pyupgrade
         args: [--py38-plus]
diff --git a/pandas/_libs/algos.pyi b/pandas/_libs/algos.pyi
index 20a805533e8cc..cd6c02f49c635 100644
--- a/pandas/_libs/algos.pyi
+++ b/pandas/_libs/algos.pyi
@@ -5,9 +5,6 @@ import numpy as np
 from pandas._typing import npt
 
 class Infinity:
-    """
-    Provide a positive Infinity comparison method for ranking.
-    """
 
     def __eq__(self, other) -> bool: ...
     def __ne__(self, other) -> bool: ...
@@ -17,9 +14,6 @@ class Infinity:
     def __ge__(self, other) -> bool: ...
 
 class NegInfinity:
-    """
-    Provide a negative Infinity comparison method for ranking.
-    """
 
     def __eq__(self, other) -> bool: ...
     def __ne__(self, other) -> bool: ...
diff --git a/pandas/core/algorithms.py b/pandas/core/algorithms.py
index 9d0e2145567bf..5783842e9ddef 100644
--- a/pandas/core/algorithms.py
+++ b/pandas/core/algorithms.py
@@ -1322,7 +1322,7 @@ def searchsorted(
     arr: ArrayLike,
     value: NumpyValueArrayLike | ExtensionArray,
     side: Literal["left", "right"] = "left",
-    sorter: NumpySorter = None,
+    sorter: NumpySorter | None = None,
 ) -> npt.NDArray[np.intp] | np.intp:
     """
     Find indices where elements should be inserted to maintain order.
diff --git a/pandas/core/arrays/_mixins.py b/pandas/core/arrays/_mixins.py
index f586de3d2bdee..d0b196eabe41c 100644
--- a/pandas/core/arrays/_mixins.py
+++ b/pandas/core/arrays/_mixins.py
@@ -232,7 +232,7 @@ def searchsorted(
         self,
         value: NumpyValueArrayLike | ExtensionArray,
         side: Literal["left", "right"] = "left",
-        sorter: NumpySorter = None,
+        sorter: NumpySorter | None = None,
     ) -> npt.NDArray[np.intp] | np.intp:
         npvalue = self._validate_setitem_value(value)
         return self._ndarray.searchsorted(npvalue, side=side, sorter=sorter)
diff --git a/pandas/core/arrays/arrow/array.py b/pandas/core/arrays/arrow/array.py
index 85a75fff25ebd..360205b0857da 100644
--- a/pandas/core/arrays/arrow/array.py
+++ b/pandas/core/arrays/arrow/array.py
@@ -1060,7 +1060,7 @@ def searchsorted(
         self,
         value: NumpyValueArrayLike | ExtensionArray,
         side: Literal["left", "right"] = "left",
-        sorter: NumpySorter = None,
+        sorter: NumpySorter | None = None,
     ) -> npt.NDArray[np.intp] | np.intp:
         if self._hasna:
             raise ValueError(
diff --git a/pandas/core/arrays/base.py b/pandas/core/arrays/base.py
index ceac8e22426d9..fe8d595572cd6 100644
--- a/pandas/core/arrays/base.py
+++ b/pandas/core/arrays/base.py
@@ -914,7 +914,7 @@ def searchsorted(
         self,
         value: NumpyValueArrayLike | ExtensionArray,
         side: Literal["left", "right"] = "left",
-        sorter: NumpySorter = None,
+        sorter: NumpySorter | None = None,
     ) -> npt.NDArray[np.intp] | np.intp:
         """
         Find indices where elements should be inserted to maintain order.
diff --git a/pandas/core/arrays/masked.py b/pandas/core/arrays/masked.py
index 15c485cbb1499..d255d009dac1b 100644
--- a/pandas/core/arrays/masked.py
+++ b/pandas/core/arrays/masked.py
@@ -920,7 +920,7 @@ def searchsorted(
         self,
         value: NumpyValueArrayLike | ExtensionArray,
         side: Literal["left", "right"] = "left",
-        sorter: NumpySorter = None,
+        sorter: NumpySorter | None = None,
     ) -> npt.NDArray[np.intp] | np.intp:
         if self._hasna:
             raise ValueError(
diff --git a/pandas/core/arrays/period.py b/pandas/core/arrays/period.py
index c9c2d258a9a16..ff221ec3be006 100644
--- a/pandas/core/arrays/period.py
+++ b/pandas/core/arrays/period.py
@@ -780,7 +780,7 @@ def searchsorted(
         self,
         value: NumpyValueArrayLike | ExtensionArray,
         side: Literal["left", "right"] = "left",
-        sorter: NumpySorter = None,
+        sorter: NumpySorter | None = None,
     ) -> npt.NDArray[np.intp] | np.intp:
         npvalue = self._validate_setitem_value(value).view("M8[ns]")
 
diff --git a/pandas/core/arrays/sparse/array.py b/pandas/core/arrays/sparse/array.py
index aba6811c5eeb7..d342cc2f0d9f1 100644
--- a/pandas/core/arrays/sparse/array.py
+++ b/pandas/core/arrays/sparse/array.py
@@ -1134,7 +1134,7 @@ def searchsorted(
         self,
         v: ArrayLike | object,
         side: Literal["left", "right"] = "left",
-        sorter: NumpySorter = None,
+        sorter: NumpySorter | None = None,
     ) -> npt.NDArray[np.intp] | np.intp:
         msg = "searchsorted requires high memory usage."
         warnings.warn(msg, PerformanceWarning, stacklevel=find_stack_level())
diff --git a/pandas/core/arrays/string_.py b/pandas/core/arrays/string_.py
index a6579879cab96..2640cbd7f6ba1 100644
--- a/pandas/core/arrays/string_.py
+++ b/pandas/core/arrays/string_.py
@@ -513,7 +513,7 @@ def searchsorted(
         self,
         value: NumpyValueArrayLike | ExtensionArray,
         side: Literal["left", "right"] = "left",
-        sorter: NumpySorter = None,
+        sorter: NumpySorter | None = None,
     ) -> npt.NDArray[np.intp] | np.intp:
         if self._hasna:
             raise ValueError(
diff --git a/pandas/core/base.py b/pandas/core/base.py
index 3710a644c7826..0c18b3a41c04c 100644
--- a/pandas/core/base.py
+++ b/pandas/core/base.py
@@ -1304,7 +1304,7 @@ def searchsorted(
         self,
         value: NumpyValueArrayLike | ExtensionArray,
         side: Literal["left", "right"] = "left",
-        sorter: NumpySorter = None,
+        sorter: NumpySorter | None = None,
     ) -> npt.NDArray[np.intp] | np.intp:
         if isinstance(value, ABCDataFrame):
             msg = (
diff --git a/pandas/core/dtypes/dtypes.py b/pandas/core/dtypes/dtypes.py
index ea4d10c06efe3..aa721e405a3e8 100644
--- a/pandas/core/dtypes/dtypes.py
+++ b/pandas/core/dtypes/dtypes.py
@@ -219,7 +219,7 @@ def _from_fastpath(
 
     @classmethod
     def _from_categorical_dtype(
-        cls, dtype: CategoricalDtype, categories=None, ordered: Ordered = None
+        cls, dtype: CategoricalDtype, categories=None, ordered: Ordered | None = None
     ) -> CategoricalDtype:
         if categories is ordered is None:
             return dtype
diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index ae43a44d68f1c..9d90a110ccea3 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -2572,7 +2572,7 @@ def to_stata(
         version: int | None = 114,
         convert_strl: Sequence[Hashable] | None = None,
         compression: CompressionOptions = "infer",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         value_labels: dict[Hashable, dict[float, str]] | None = None,
     ) -> None:
         """
@@ -2767,7 +2767,7 @@ def to_markdown(
         buf: FilePath | WriteBuffer[str] | None = None,
         mode: str = "wt",
         index: bool = True,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         **kwargs,
     ) -> str | None:
         if "showindex" in kwargs:
@@ -2819,7 +2819,7 @@ def to_parquet(
         compression: str | None = "snappy",
         index: bool | None = None,
         partition_cols: list[str] | None = None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         **kwargs,
     ) -> bytes | None:
         """
@@ -3188,7 +3188,7 @@ def to_xml(
         parser: XMLParsers | None = "lxml",
         stylesheet: FilePath | ReadBuffer[str] | ReadBuffer[bytes] | None = None,
         compression: CompressionOptions = "infer",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
     ) -> str | None:
         """
         Render a DataFrame to an XML document.
@@ -5089,12 +5089,12 @@ def drop(
 
     def drop(
         self,
-        labels: IndexLabel = None,
+        labels: IndexLabel | None = None,
         *,
         axis: Axis = 0,
-        index: IndexLabel = None,
-        columns: IndexLabel = None,
-        level: Level = None,
+        index: IndexLabel | None = None,
+        columns: IndexLabel | None = None,
+        level: Level | None = None,
         inplace: bool = False,
         errors: IgnoreRaise = "raise",
     ) -> DataFrame | None:
@@ -5299,7 +5299,7 @@ def rename(
         axis: Axis | None = None,
         copy: bool | None = None,
         inplace: bool = False,
-        level: Level = None,
+        level: Level | None = None,
         errors: IgnoreRaise = "ignore",
     ) -> DataFrame | None:
         """
@@ -5814,7 +5814,7 @@ def reset_index(
         col_level: Hashable = ...,
         col_fill: Hashable = ...,
         allow_duplicates: bool | lib.NoDefault = ...,
-        names: Hashable | Sequence[Hashable] = None,
+        names: Hashable | Sequence[Hashable] | None = None,
     ) -> DataFrame:
         ...
 
@@ -5828,7 +5828,7 @@ def reset_index(
         col_level: Hashable = ...,
         col_fill: Hashable = ...,
         allow_duplicates: bool | lib.NoDefault = ...,
-        names: Hashable | Sequence[Hashable] = None,
+        names: Hashable | Sequence[Hashable] | None = None,
     ) -> None:
         ...
 
@@ -5842,20 +5842,20 @@ def reset_index(
         col_level: Hashable = ...,
         col_fill: Hashable = ...,
         allow_duplicates: bool | lib.NoDefault = ...,
-        names: Hashable | Sequence[Hashable] = None,
+        names: Hashable | Sequence[Hashable] | None = None,
     ) -> DataFrame | None:
         ...
 
     def reset_index(
         self,
-        level: IndexLabel = None,
+        level: IndexLabel | None = None,
         *,
         drop: bool = False,
         inplace: bool = False,
         col_level: Hashable = 0,
         col_fill: Hashable = "",
         allow_duplicates: bool | lib.NoDefault = lib.no_default,
-        names: Hashable | Sequence[Hashable] = None,
+        names: Hashable | Sequence[Hashable] | None = None,
     ) -> DataFrame | None:
         """
         Reset the index, or a level of it.
@@ -6151,7 +6151,7 @@ def dropna(
         axis: Axis = 0,
         how: AnyAll | lib.NoDefault = lib.no_default,
         thresh: int | lib.NoDefault = lib.no_default,
-        subset: IndexLabel = None,
+        subset: IndexLabel | None = None,
         inplace: bool = False,
         ignore_index: bool = False,
     ) -> DataFrame | None:
@@ -6588,7 +6588,7 @@ def sort_values(
         kind: SortKind = "quicksort",
         na_position: str = "last",
         ignore_index: bool = False,
-        key: ValueKeyFunc = None,
+        key: ValueKeyFunc | None = None,
     ) -> DataFrame | None:
         """
         Sort by the values along either axis.
@@ -6867,14 +6867,14 @@ def sort_index(
         self,
         *,
         axis: Axis = 0,
-        level: IndexLabel = None,
+        level: IndexLabel | None = None,
         ascending: bool | Sequence[bool] = True,
         inplace: bool = False,
         kind: SortKind = "quicksort",
         na_position: NaPosition = "last",
         sort_remaining: bool = True,
         ignore_index: bool = False,
-        key: IndexKeyFunc = None,
+        key: IndexKeyFunc | None = None,
     ) -> DataFrame | None:
         """
         Sort object by labels (along an axis).
@@ -7642,7 +7642,7 @@ def _should_reindex_frame_op(self, right, op, axis: int, fill_value, level) -> b
         return False
 
     def _align_for_op(
-        self, other, axis: AxisInt, flex: bool | None = False, level: Level = None
+        self, other, axis: AxisInt, flex: bool | None = False, level: Level | None = None
     ):
         """
         Convert rhs to meet lhs dims if input is list, tuple or np.ndarray.
@@ -9396,7 +9396,7 @@ def melt(
         value_vars=None,
         var_name=None,
         value_name: Hashable = "value",
-        col_level: Level = None,
+        col_level: Level | None = None,
         ignore_index: bool = True,
     ) -> DataFrame:
         return melt(
diff --git a/pandas/core/generic.py b/pandas/core/generic.py
index b806ddbaa89ba..ba34d71f7284b 100644
--- a/pandas/core/generic.py
+++ b/pandas/core/generic.py
@@ -2182,14 +2182,14 @@ def to_excel(
         columns: Sequence[Hashable] | None = None,
         header: Sequence[Hashable] | bool_t = True,
         index: bool_t = True,
-        index_label: IndexLabel = None,
+        index_label: IndexLabel | None = None,
         startrow: int = 0,
         startcol: int = 0,
         engine: Literal["openpyxl", "xlsxwriter"] | None = None,
         merge_cells: bool_t = True,
         inf_rep: str = "inf",
         freeze_panes: tuple[int, int] | None = None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         engine_kwargs: dict[str, Any] | None = None,
     ) -> None:
         """
@@ -2349,7 +2349,7 @@ def to_json(
         compression: CompressionOptions = "infer",
         index: bool_t | None = None,
         indent: int | None = None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         mode: Literal["a", "w"] = "w",
     ) -> str | None:
         """
@@ -2778,7 +2778,7 @@ def to_sql(
         schema: str | None = None,
         if_exists: Literal["fail", "replace", "append"] = "fail",
         index: bool_t = True,
-        index_label: IndexLabel = None,
+        index_label: IndexLabel | None = None,
         chunksize: int | None = None,
         dtype: DtypeArg | None = None,
         method: Literal["multi"] | Callable | None = None,
@@ -3001,7 +3001,7 @@ def to_pickle(
         path: FilePath | WriteBuffer[bytes],
         compression: CompressionOptions = "infer",
         protocol: int = pickle.HIGHEST_PROTOCOL,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
     ) -> None:
         """
         Pickle (serialize) object to file.
@@ -3717,7 +3717,7 @@ def to_csv(
         escapechar: str | None = None,
         decimal: str = ".",
         errors: OpenFileErrors = "strict",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
     ) -> str | None:
         r"""
         Write object to a comma-separated values (csv) file.
@@ -4069,7 +4069,7 @@ def xs(
         self,
         key: IndexLabel,
         axis: Axis = 0,
-        level: IndexLabel = None,
+        level: IndexLabel | None = None,
         drop_level: bool_t = True,
     ) -> Self:
         """
@@ -4652,11 +4652,11 @@ def drop(
 
     def drop(
         self,
-        labels: IndexLabel = None,
+        labels: IndexLabel | None = None,
         *,
         axis: Axis = 0,
-        index: IndexLabel = None,
-        columns: IndexLabel = None,
+        index: IndexLabel | None = None,
+        columns: IndexLabel | None = None,
         level: Level | None = None,
         inplace: bool_t = False,
         errors: IgnoreRaise = "raise",
@@ -4992,7 +4992,7 @@ def sort_values(
         kind: SortKind = "quicksort",
         na_position: NaPosition = "last",
         ignore_index: bool_t = False,
-        key: ValueKeyFunc = None,
+        key: ValueKeyFunc | None = None,
     ) -> Self | None:
         """
         Sort by the values along either axis.
@@ -5187,14 +5187,14 @@ def sort_index(
         self,
         *,
         axis: Axis = 0,
-        level: IndexLabel = None,
+        level: IndexLabel | None = None,
         ascending: bool_t | Sequence[bool_t] = True,
         inplace: bool_t = False,
         kind: SortKind = "quicksort",
         na_position: NaPosition = "last",
         sort_remaining: bool_t = True,
         ignore_index: bool_t = False,
-        key: IndexKeyFunc = None,
+        key: IndexKeyFunc | None = None,
     ) -> Self | None:
         inplace = validate_bool_kwarg(inplace, "inplace")
         axis = self._get_axis_number(axis)
@@ -6968,7 +6968,7 @@ def fillna(
     )
     def fillna(
         self,
-        value: Hashable | Mapping | Series | DataFrame = None,
+        value: Hashable | Mapping | Series | DataFrame | None = None,
         *,
         method: FillnaOptions | None = None,
         axis: Axis | None = None,
@@ -8591,7 +8591,7 @@ def asfreq(
         method: FillnaOptions | None = None,
         how: Literal["start", "end"] | None = None,
         normalize: bool_t = False,
-        fill_value: Hashable = None,
+        fill_value: Hashable | None = None,
     ) -> Self:
         """
         Convert time series to specified frequency.
@@ -8861,8 +8861,8 @@ def resample(
         label: Literal["right", "left"] | None = None,
         convention: Literal["start", "end", "s", "e"] = "start",
         kind: Literal["timestamp", "period"] | None = None,
-        on: Level = None,
-        level: Level = None,
+        on: Level | None = None,
+        level: Level | None = None,
         origin: str | TimestampConvertibleTypes = "start_day",
         offset: TimedeltaConvertibleTypes | None = None,
         group_keys: bool_t = False,
@@ -9673,9 +9673,9 @@ def align(
         other: NDFrameT,
         join: AlignJoin = "outer",
         axis: Axis | None = None,
-        level: Level = None,
+        level: Level | None = None,
         copy: bool_t | None = None,
-        fill_value: Hashable = None,
+        fill_value: Hashable | None = None,
         method: FillnaOptions | None | lib.NoDefault = lib.no_default,
         limit: int | None | lib.NoDefault = lib.no_default,
         fill_axis: Axis | lib.NoDefault = lib.no_default,
@@ -10276,7 +10276,7 @@ def where(
         *,
         inplace: bool_t = False,
         axis: Axis | None = None,
-        level: Level = None,
+        level: Level | None = None,
     ) -> Self | None:
         """
         Replace values where the condition is {cond_rev}.
@@ -10470,7 +10470,7 @@ def mask(
         *,
         inplace: bool_t = False,
         axis: Axis | None = None,
-        level: Level = None,
+        level: Level | None = None,
     ) -> Self | None:
         inplace = validate_bool_kwarg(inplace, "inplace")
         cond = common.apply_if_callable(cond, self)
diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index e3aa97b448fe1..26589ac135b8b 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -2403,7 +2403,7 @@ def value_counts(
 
     def fillna(
         self,
-        value: Hashable | Mapping | Series | DataFrame = None,
+        value: Hashable | Mapping | Series | DataFrame | None = None,
         method: FillnaOptions | None = None,
         axis: Axis | None | lib.NoDefault = lib.no_default,
         inplace: bool = False,
@@ -2778,7 +2778,7 @@ def cov(
     @doc(DataFrame.hist.__doc__)
     def hist(
         self,
-        column: IndexLabel = None,
+        column: IndexLabel | None = None,
         by=None,
         grid: bool = True,
         xlabelsize: int | None = None,
diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index f03af387151b2..2cab46b4482f9 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -642,7 +642,7 @@ def _dtype_to_subclass(cls, dtype: DtypeObj):
     # See each method's docstring.
 
     @classmethod
-    def _simple_new(cls, values: ArrayLike, name: Hashable = None, refs=None) -> Self:
+    def _simple_new(cls, values: ArrayLike, name: Hashable | None = None, refs=None) -> Self:
         """
         We require that we have a dtype compat for the values. If we are passed
         a non-dtype compat, then coerce using the constructor.
@@ -1521,7 +1521,7 @@ def to_flat_index(self) -> Self:
         return self
 
     @final
-    def to_series(self, index=None, name: Hashable = None) -> Series:
+    def to_series(self, index=None, name: Hashable | None = None) -> Series:
         """
         Create a Series with both index and values equal to the index keys.
 
@@ -4529,7 +4529,7 @@ def join(
         other: Index,
         *,
         how: JoinHow = "left",
-        level: Level = None,
+        level: Level | None = None,
         return_indexers: bool = False,
         sort: bool = False,
     ) -> Index | tuple[Index, npt.NDArray[np.intp] | None, npt.NDArray[np.intp] | None]:
diff --git a/pandas/core/indexes/category.py b/pandas/core/indexes/category.py
index 9bd0bc98dc733..12acacbceaae5 100644
--- a/pandas/core/indexes/category.py
+++ b/pandas/core/indexes/category.py
@@ -208,7 +208,7 @@ def __new__(
         ordered=None,
         dtype: Dtype | None = None,
         copy: bool = False,
-        name: Hashable = None,
+        name: Hashable | None = None,
     ) -> CategoricalIndex:
         name = maybe_extract_name(name, data, cls)
 
diff --git a/pandas/core/indexes/datetimes.py b/pandas/core/indexes/datetimes.py
index 1500bcef5d4d9..c8dafc568b7be 100644
--- a/pandas/core/indexes/datetimes.py
+++ b/pandas/core/indexes/datetimes.py
@@ -328,7 +328,7 @@ def __new__(
         yearfirst: bool = False,
         dtype: Dtype | None = None,
         copy: bool = False,
-        name: Hashable = None,
+        name: Hashable | None = None,
     ) -> Self:
         if closed is not lib.no_default:
             # GH#52628
@@ -809,7 +809,7 @@ def date_range(
     freq=None,
     tz=None,
     normalize: bool = False,
-    name: Hashable = None,
+    name: Hashable | None = None,
     inclusive: IntervalClosedType = "both",
     *,
     unit: str | None = None,
@@ -1010,7 +1010,7 @@ def bdate_range(
     freq: Frequency = "B",
     tz=None,
     normalize: bool = True,
-    name: Hashable = None,
+    name: Hashable | None = None,
     weekmask=None,
     holidays=None,
     inclusive: IntervalClosedType = "both",
diff --git a/pandas/core/indexes/interval.py b/pandas/core/indexes/interval.py
index 50838f8c65881..7379b23428b95 100644
--- a/pandas/core/indexes/interval.py
+++ b/pandas/core/indexes/interval.py
@@ -222,7 +222,7 @@ def __new__(
         closed: IntervalClosedType | None = None,
         dtype: Dtype | None = None,
         copy: bool = False,
-        name: Hashable = None,
+        name: Hashable | None = None,
         verify_integrity: bool = True,
     ) -> IntervalIndex:
         name = maybe_extract_name(name, data, cls)
@@ -263,7 +263,7 @@ def from_breaks(
         cls,
         breaks,
         closed: IntervalClosedType | None = "right",
-        name: Hashable = None,
+        name: Hashable | None = None,
         copy: bool = False,
         dtype: Dtype | None = None,
     ) -> IntervalIndex:
@@ -299,7 +299,7 @@ def from_arrays(
         left,
         right,
         closed: IntervalClosedType = "right",
-        name: Hashable = None,
+        name: Hashable | None = None,
         copy: bool = False,
         dtype: Dtype | None = None,
     ) -> IntervalIndex:
@@ -334,7 +334,7 @@ def from_tuples(
         cls,
         data,
         closed: IntervalClosedType = "right",
-        name: Hashable = None,
+        name: Hashable | None = None,
         copy: bool = False,
         dtype: Dtype | None = None,
     ) -> IntervalIndex:
@@ -983,7 +983,7 @@ def interval_range(
     end=None,
     periods=None,
     freq=None,
-    name: Hashable = None,
+    name: Hashable | None = None,
     closed: IntervalClosedType = "right",
 ) -> IntervalIndex:
     """
diff --git a/pandas/core/indexes/multi.py b/pandas/core/indexes/multi.py
index 824ffa5cf4c67..144bc6abdf4ca 100644
--- a/pandas/core/indexes/multi.py
+++ b/pandas/core/indexes/multi.py
@@ -546,7 +546,7 @@ def from_tuples(
         cls,
         tuples: Iterable[tuple[Hashable, ...]],
         sortorder: int | None = None,
-        names: Sequence[Hashable] | Hashable = None,
+        names: Sequence[Hashable] | Hashable | None = None,
     ) -> MultiIndex:
         """
         Convert list of tuples to MultiIndex.
diff --git a/pandas/core/indexes/period.py b/pandas/core/indexes/period.py
index fd7cab0344e42..18b0504f6ce3c 100644
--- a/pandas/core/indexes/period.py
+++ b/pandas/core/indexes/period.py
@@ -213,7 +213,7 @@ def __new__(
         freq=None,
         dtype: Dtype | None = None,
         copy: bool = False,
-        name: Hashable = None,
+        name: Hashable | None = None,
         **fields,
     ) -> Self:
         valid_field_set = {
@@ -467,7 +467,7 @@ def shift(self, periods: int = 1, freq=None) -> Self:
 
 
 def period_range(
-    start=None, end=None, periods: int | None = None, freq=None, name: Hashable = None
+    start=None, end=None, periods: int | None = None, freq=None, name: Hashable | None = None
 ) -> PeriodIndex:
     """
     Return a fixed frequency PeriodIndex.
diff --git a/pandas/core/indexes/range.py b/pandas/core/indexes/range.py
index 2b0dc53a736ea..b404d6ef4fa65 100644
--- a/pandas/core/indexes/range.py
+++ b/pandas/core/indexes/range.py
@@ -136,7 +136,7 @@ def __new__(
         step=None,
         dtype: Dtype | None = None,
         copy: bool = False,
-        name: Hashable = None,
+        name: Hashable | None = None,
     ) -> RangeIndex:
         cls._validate_dtype(dtype)
         name = maybe_extract_name(name, start, cls)
@@ -195,7 +195,7 @@ def from_range(cls, data: range, name=None, dtype: Dtype | None = None) -> Self:
     #  "Union[ExtensionArray, ndarray[Any, Any]]"  [override]
     @classmethod
     def _simple_new(  # type: ignore[override]
-        cls, values: range, name: Hashable = None
+        cls, values: range, name: Hashable | None = None
     ) -> Self:
         result = object.__new__(cls)
 
@@ -485,7 +485,7 @@ def _view(self) -> Self:
         return result
 
     @doc(Index.copy)
-    def copy(self, name: Hashable = None, deep: bool = False) -> Self:
+    def copy(self, name: Hashable | None = None, deep: bool = False) -> Self:
         name = self._validate_names(name=name, deep=deep)[0]
         new_index = self._rename(name=name)
         return new_index
@@ -836,7 +836,7 @@ def _difference(self, other, sort=None):
 
         return new_index
 
-    def symmetric_difference(self, other, result_name: Hashable = None, sort=None):
+    def symmetric_difference(self, other, result_name: Hashable | None = None, sort=None):
         if not isinstance(other, RangeIndex) or sort is not None:
             return super().symmetric_difference(other, result_name, sort)
 
diff --git a/pandas/core/series.py b/pandas/core/series.py
index e59a4cfc3fcc1..efa4ef43fa657 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -1507,7 +1507,7 @@ def reset_index(
 
     def reset_index(
         self,
-        level: IndexLabel = None,
+        level: IndexLabel | None = None,
         *,
         drop: bool = False,
         name: Level = lib.no_default,
@@ -1819,7 +1819,7 @@ def to_markdown(
         buf: IO[str] | None = None,
         mode: str = "wt",
         index: bool = True,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         **kwargs,
     ) -> str | None:
         """
@@ -2096,7 +2096,7 @@ def groupby(
         self,
         by=None,
         axis: Axis = 0,
-        level: IndexLabel = None,
+        level: IndexLabel | None = None,
         as_index: bool = True,
         sort: bool = True,
         group_keys: bool = True,
@@ -3090,7 +3090,7 @@ def searchsorted(  # type: ignore[override]
         self,
         value: NumpyValueArrayLike | ExtensionArray,
         side: Literal["left", "right"] = "left",
-        sorter: NumpySorter = None,
+        sorter: NumpySorter | None = None,
     ) -> npt.NDArray[np.intp] | np.intp:
         return base.IndexOpsMixin.searchsorted(self, value, side=side, sorter=sorter)
 
@@ -3200,7 +3200,7 @@ def combine(
         self,
         other: Series | Hashable,
         func: Callable[[Hashable, Hashable], Hashable],
-        fill_value: Hashable = None,
+        fill_value: Hashable | None = None,
     ) -> Series:
         """
         Combine the Series with a Series or scalar according to `func`.
@@ -3475,7 +3475,7 @@ def sort_values(
         kind: SortKind = "quicksort",
         na_position: NaPosition = "last",
         ignore_index: bool = False,
-        key: ValueKeyFunc = None,
+        key: ValueKeyFunc | None = None,
     ) -> Series | None:
         """
         Sort by the values.
@@ -3719,14 +3719,14 @@ def sort_index(
         self,
         *,
         axis: Axis = 0,
-        level: IndexLabel = None,
+        level: IndexLabel | None = None,
         ascending: bool | Sequence[bool] = True,
         inplace: bool = False,
         kind: SortKind = "quicksort",
         na_position: NaPosition = "last",
         sort_remaining: bool = True,
         ignore_index: bool = False,
-        key: IndexKeyFunc = None,
+        key: IndexKeyFunc | None = None,
     ) -> Series | None:
         """
         Sort Series by index labels.
@@ -4315,7 +4315,7 @@ def explode(self, ignore_index: bool = False) -> Series:
         return self._constructor(values, index=index, name=self.name, copy=False)
 
     def unstack(
-        self, level: IndexLabel = -1, fill_value: Hashable = None, sort: bool = True
+        self, level: IndexLabel = -1, fill_value: Hashable | None = None, sort: bool = True
     ) -> DataFrame:
         """
         Unstack, also known as pivot, Series with MultiIndex to produce DataFrame.
@@ -4961,11 +4961,11 @@ def drop(
 
     def drop(
         self,
-        labels: IndexLabel = None,
+        labels: IndexLabel | None = None,
         *,
         axis: Axis = 0,
-        index: IndexLabel = None,
-        columns: IndexLabel = None,
+        index: IndexLabel | None = None,
+        columns: IndexLabel | None = None,
         level: Level | None = None,
         inplace: bool = False,
         errors: IgnoreRaise = "raise",
diff --git a/pandas/core/tools/datetimes.py b/pandas/core/tools/datetimes.py
index 13a434812db3b..bd065253b0108 100644
--- a/pandas/core/tools/datetimes.py
+++ b/pandas/core/tools/datetimes.py
@@ -261,7 +261,7 @@ def _maybe_cache(
 
 
 def _box_as_indexlike(
-    dt_array: ArrayLike, utc: bool = False, name: Hashable = None
+    dt_array: ArrayLike, utc: bool = False, name: Hashable | None = None
 ) -> Index:
     """
     Properly boxes the ndarray of datetimes to DatetimeIndex
@@ -353,7 +353,7 @@ def _return_parsed_timezone_results(
 def _convert_listlike_datetimes(
     arg,
     format: str | None,
-    name: Hashable = None,
+    name: Hashable | None = None,
     utc: bool = False,
     unit: str | None = None,
     errors: DateTimeErrorChoices = "raise",
diff --git a/pandas/io/common.py b/pandas/io/common.py
index 43780a08a4339..b3730e3f8afe5 100644
--- a/pandas/io/common.py
+++ b/pandas/io/common.py
@@ -289,9 +289,9 @@ def is_fsspec_url(url: FilePath | BaseBuffer) -> bool:
 def _get_filepath_or_buffer(
     filepath_or_buffer: FilePath | BaseBuffer,
     encoding: str = "utf-8",
-    compression: CompressionOptions = None,
+    compression: CompressionOptions | None = None,
     mode: str = "r",
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
 ) -> IOArgs:
     """
     If the filepath_or_buffer is a url, translate and return the buffer.
@@ -651,11 +651,11 @@ def get_handle(
     mode: str,
     *,
     encoding: str | None = None,
-    compression: CompressionOptions = None,
+    compression: CompressionOptions | None = None,
     memory_map: bool = False,
     is_text: bool = True,
     errors: str | None = None,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
 ) -> IOHandles[str] | IOHandles[bytes]:
     """
     Get file handle for given path/buffer and mode.
diff --git a/pandas/io/excel/_base.py b/pandas/io/excel/_base.py
index 8383449ff21f1..025a00e6470b6 100644
--- a/pandas/io/excel/_base.py
+++ b/pandas/io/excel/_base.py
@@ -484,7 +484,7 @@ def read_excel(
     decimal: str = ".",
     comment: str | None = None,
     skipfooter: int = 0,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
     engine_kwargs: dict | None = None,
 ) -> DataFrame | dict[IntStrT, DataFrame]:
@@ -544,7 +544,7 @@ class BaseExcelReader(metaclass=abc.ABCMeta):
     def __init__(
         self,
         filepath_or_buffer,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         engine_kwargs: dict | None = None,
     ) -> None:
         if engine_kwargs is None:
@@ -1126,7 +1126,7 @@ def __new__(
         date_format: str | None = None,
         datetime_format: str | None = None,
         mode: str = "w",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         if_sheet_exists: Literal["error", "new", "replace", "overlay"] | None = None,
         engine_kwargs: dict | None = None,
     ) -> ExcelWriter:
@@ -1215,7 +1215,7 @@ def __init__(
         date_format: str | None = None,
         datetime_format: str | None = None,
         mode: str = "w",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         if_sheet_exists: str | None = None,
         engine_kwargs: dict[str, Any] | None = None,
     ) -> None:
@@ -1371,7 +1371,7 @@ def close(self) -> None:
 @doc(storage_options=_shared_docs["storage_options"])
 def inspect_excel_format(
     content_or_path: FilePath | ReadBuffer[bytes],
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
 ) -> str | None:
     """
     Inspect the path or content of an excel file and get its format.
@@ -1504,7 +1504,7 @@ def __init__(
         self,
         path_or_buffer,
         engine: str | None = None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         engine_kwargs: dict | None = None,
     ) -> None:
         if engine_kwargs is None:
diff --git a/pandas/io/excel/_odfreader.py b/pandas/io/excel/_odfreader.py
index c46424d5b26da..16fb870e4700a 100644
--- a/pandas/io/excel/_odfreader.py
+++ b/pandas/io/excel/_odfreader.py
@@ -30,7 +30,7 @@ class ODFReader(BaseExcelReader):
     def __init__(
         self,
         filepath_or_buffer: FilePath | ReadBuffer[bytes],
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         engine_kwargs: dict | None = None,
     ) -> None:
         """
diff --git a/pandas/io/excel/_odswriter.py b/pandas/io/excel/_odswriter.py
index f5aaf08530591..b72d7c5cd2726 100644
--- a/pandas/io/excel/_odswriter.py
+++ b/pandas/io/excel/_odswriter.py
@@ -39,7 +39,7 @@ def __init__(
         date_format: str | None = None,
         datetime_format=None,
         mode: str = "w",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         if_sheet_exists: str | None = None,
         engine_kwargs: dict[str, Any] | None = None,
         **kwargs,
diff --git a/pandas/io/excel/_openpyxl.py b/pandas/io/excel/_openpyxl.py
index 195d3a3a8b263..700460d4d5da2 100644
--- a/pandas/io/excel/_openpyxl.py
+++ b/pandas/io/excel/_openpyxl.py
@@ -48,7 +48,7 @@ def __init__(
         date_format: str | None = None,
         datetime_format: str | None = None,
         mode: str = "w",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         if_sheet_exists: str | None = None,
         engine_kwargs: dict[str, Any] | None = None,
         **kwargs,
@@ -535,7 +535,7 @@ class OpenpyxlReader(BaseExcelReader):
     def __init__(
         self,
         filepath_or_buffer: FilePath | ReadBuffer[bytes],
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         engine_kwargs: dict | None = None,
     ) -> None:
         """
diff --git a/pandas/io/excel/_pyxlsb.py b/pandas/io/excel/_pyxlsb.py
index a1234b0e74c3e..86805a0463c47 100644
--- a/pandas/io/excel/_pyxlsb.py
+++ b/pandas/io/excel/_pyxlsb.py
@@ -24,7 +24,7 @@ class PyxlsbReader(BaseExcelReader):
     def __init__(
         self,
         filepath_or_buffer: FilePath | ReadBuffer[bytes],
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         engine_kwargs: dict | None = None,
     ) -> None:
         """
diff --git a/pandas/io/excel/_xlrd.py b/pandas/io/excel/_xlrd.py
index d131567cf70f7..cb0ff975af9bb 100644
--- a/pandas/io/excel/_xlrd.py
+++ b/pandas/io/excel/_xlrd.py
@@ -24,7 +24,7 @@ class XlrdReader(BaseExcelReader):
     def __init__(
         self,
         filepath_or_buffer,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         engine_kwargs: dict | None = None,
     ) -> None:
         """
diff --git a/pandas/io/excel/_xlsxwriter.py b/pandas/io/excel/_xlsxwriter.py
index d7262c2f62d94..fb0d452c69ca0 100644
--- a/pandas/io/excel/_xlsxwriter.py
+++ b/pandas/io/excel/_xlsxwriter.py
@@ -188,7 +188,7 @@ def __init__(
         date_format: str | None = None,
         datetime_format: str | None = None,
         mode: str = "w",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         if_sheet_exists: str | None = None,
         engine_kwargs: dict[str, Any] | None = None,
         **kwargs,
diff --git a/pandas/io/feather_format.py b/pandas/io/feather_format.py
index 28df235084cf5..34306d4d1ab2d 100644
--- a/pandas/io/feather_format.py
+++ b/pandas/io/feather_format.py
@@ -32,7 +32,7 @@
 def to_feather(
     df: DataFrame,
     path: FilePath | WriteBuffer[bytes],
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     **kwargs,
 ) -> None:
     """
@@ -67,7 +67,7 @@ def read_feather(
     path: FilePath | ReadBuffer[bytes],
     columns: Sequence[Hashable] | None = None,
     use_threads: bool = True,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
 ):
     """
diff --git a/pandas/io/formats/csvs.py b/pandas/io/formats/csvs.py
index 3b759010d1abb..42f6bc9cdff06 100644
--- a/pandas/io/formats/csvs.py
+++ b/pandas/io/formats/csvs.py
@@ -69,7 +69,7 @@ def __init__(
         date_format: str | None = None,
         doublequote: bool = True,
         escapechar: str | None = None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
     ) -> None:
         self.fmt = formatter
 
diff --git a/pandas/io/formats/excel.py b/pandas/io/formats/excel.py
index 0dbb6529cd384..ddffdc7963b04 100644
--- a/pandas/io/formats/excel.py
+++ b/pandas/io/formats/excel.py
@@ -897,7 +897,7 @@ def write(
         startcol: int = 0,
         freeze_panes: tuple[int, int] | None = None,
         engine: str | None = None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         engine_kwargs: dict | None = None,
     ) -> None:
         """
diff --git a/pandas/io/formats/format.py b/pandas/io/formats/format.py
index 8caa9d0cbd3a5..580ca7c2e565f 100644
--- a/pandas/io/formats/format.py
+++ b/pandas/io/formats/format.py
@@ -1116,7 +1116,7 @@ def to_csv(
         doublequote: bool = True,
         escapechar: str | None = None,
         errors: str = "strict",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
     ) -> str | None:
         """
         Render dataframe as comma-separated file.
diff --git a/pandas/io/formats/style.py b/pandas/io/formats/style.py
index c599bcbfd4170..b4fe7d0d05279 100644
--- a/pandas/io/formats/style.py
+++ b/pandas/io/formats/style.py
@@ -520,7 +520,7 @@ def to_excel(
         inf_rep: str = "inf",
         verbose: bool = True,
         freeze_panes: tuple[int, int] | None = None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
     ) -> None:
         from pandas.io.formats.excel import ExcelFormatter
 
diff --git a/pandas/io/formats/xml.py b/pandas/io/formats/xml.py
index 7927e27cc9284..01ef4b13c2137 100644
--- a/pandas/io/formats/xml.py
+++ b/pandas/io/formats/xml.py
@@ -117,7 +117,7 @@ def __init__(
         pretty_print: bool | None = True,
         stylesheet: FilePath | ReadBuffer[str] | ReadBuffer[bytes] | None = None,
         compression: CompressionOptions = "infer",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
     ) -> None:
         self.frame = frame
         self.path_or_buffer = path_or_buffer
diff --git a/pandas/io/json/_json.py b/pandas/io/json/_json.py
index eaeaedfdddfcb..304668553e473 100644
--- a/pandas/io/json/_json.py
+++ b/pandas/io/json/_json.py
@@ -143,7 +143,7 @@ def to_json(
     compression: CompressionOptions = "infer",
     index: bool | None = None,
     indent: int = 0,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     mode: Literal["a", "w"] = "w",
 ) -> str | None:
     if orient in ["records", "values"] and index is True:
@@ -516,7 +516,7 @@ def read_json(
     chunksize: int | None = None,
     compression: CompressionOptions = "infer",
     nrows: int | None = None,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
     engine: JSONEngine = "ujson",
 ) -> DataFrame | Series | JsonReader:
@@ -826,7 +826,7 @@ def __init__(
         chunksize: int | None,
         compression: CompressionOptions,
         nrows: int | None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         encoding_errors: str | None = "strict",
         dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
         engine: JSONEngine = "ujson",
diff --git a/pandas/io/parquet.py b/pandas/io/parquet.py
index e8670757e1669..dd8d2ceaa7c3d 100644
--- a/pandas/io/parquet.py
+++ b/pandas/io/parquet.py
@@ -80,7 +80,7 @@ def get_engine(engine: str) -> BaseImpl:
 def _get_path_or_handle(
     path: FilePath | ReadBuffer[bytes] | WriteBuffer[bytes],
     fs: Any,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     mode: str = "rb",
     is_dir: bool = False,
 ) -> tuple[
@@ -171,7 +171,7 @@ def write(
         path: FilePath | WriteBuffer[bytes],
         compression: str | None = "snappy",
         index: bool | None = None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         partition_cols: list[str] | None = None,
         filesystem=None,
         **kwargs,
@@ -230,7 +230,7 @@ def read(
         columns=None,
         use_nullable_dtypes: bool = False,
         dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         filesystem=None,
         **kwargs,
     ) -> DataFrame:
@@ -285,7 +285,7 @@ def write(
         compression: Literal["snappy", "gzip", "brotli"] | None = "snappy",
         index=None,
         partition_cols=None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         filesystem=None,
         **kwargs,
     ) -> None:
@@ -335,7 +335,7 @@ def read(
         self,
         path,
         columns=None,
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         filesystem=None,
         **kwargs,
     ) -> DataFrame:
@@ -388,7 +388,7 @@ def to_parquet(
     engine: str = "auto",
     compression: str | None = "snappy",
     index: bool | None = None,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     partition_cols: list[str] | None = None,
     filesystem: Any = None,
     **kwargs,
@@ -483,7 +483,7 @@ def read_parquet(
     path: FilePath | ReadBuffer[bytes],
     engine: str = "auto",
     columns: list[str] | None = None,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     use_nullable_dtypes: bool | lib.NoDefault = lib.no_default,
     dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
     filesystem: Any = None,
diff --git a/pandas/io/parsers/readers.py b/pandas/io/parsers/readers.py
index 0e4f85bfe3d63..334f47568d5e0 100644
--- a/pandas/io/parsers/readers.py
+++ b/pandas/io/parsers/readers.py
@@ -911,7 +911,7 @@ def read_csv(
     low_memory: bool = _c_parser_defaults["low_memory"],
     memory_map: bool = False,
     float_precision: Literal["high", "legacy"] | None = None,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
 ) -> DataFrame | TextFileReader:
     if infer_datetime_format is not lib.no_default:
@@ -1244,7 +1244,7 @@ def read_table(
     low_memory: bool = _c_parser_defaults["low_memory"],
     memory_map: bool = False,
     float_precision: str | None = None,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
 ) -> DataFrame | TextFileReader:
     if infer_datetime_format is not lib.no_default:
diff --git a/pandas/io/pickle.py b/pandas/io/pickle.py
index ba837e2f57243..04e0cbc3d289d 100644
--- a/pandas/io/pickle.py
+++ b/pandas/io/pickle.py
@@ -34,7 +34,7 @@ def to_pickle(
     filepath_or_buffer: FilePath | WriteBuffer[bytes],
     compression: CompressionOptions = "infer",
     protocol: int = pickle.HIGHEST_PROTOCOL,
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
 ) -> None:
     """
     Pickle (serialize) object to file.
@@ -115,7 +115,7 @@ def to_pickle(
 def read_pickle(
     filepath_or_buffer: FilePath | ReadPickleBuffer,
     compression: CompressionOptions = "infer",
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
 ):
     """
     Load pickled pandas object (or any object) from file.
diff --git a/pandas/io/sql.py b/pandas/io/sql.py
index 719479754340b..55b6cf8d6a481 100644
--- a/pandas/io/sql.py
+++ b/pandas/io/sql.py
@@ -685,7 +685,7 @@ def to_sql(
     schema: str | None = None,
     if_exists: Literal["fail", "replace", "append"] = "fail",
     index: bool = True,
-    index_label: IndexLabel = None,
+    index_label: IndexLabel | None = None,
     chunksize: int | None = None,
     dtype: DtypeArg | None = None,
     method: Literal["multi"] | Callable | None = None,
diff --git a/pandas/io/stata.py b/pandas/io/stata.py
index d62830ffe3ea1..1eb724b65f44e 100644
--- a/pandas/io/stata.py
+++ b/pandas/io/stata.py
@@ -1133,7 +1133,7 @@ def __init__(
         order_categoricals: bool = True,
         chunksize: int | None = None,
         compression: CompressionOptions = "infer",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
     ) -> None:
         super().__init__()
         self._col_sizes: list[int] = []
@@ -2080,7 +2080,7 @@ def read_stata(
     chunksize: int | None = None,
     iterator: bool = False,
     compression: CompressionOptions = "infer",
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
 ) -> DataFrame | StataReader:
     reader = StataReader(
         filepath_or_buffer,
@@ -2340,7 +2340,7 @@ def __init__(
         data_label: str | None = None,
         variable_labels: dict[Hashable, str] | None = None,
         compression: CompressionOptions = "infer",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         *,
         value_labels: dict[Hashable, dict[float, str]] | None = None,
     ) -> None:
@@ -3267,7 +3267,7 @@ def __init__(
         variable_labels: dict[Hashable, str] | None = None,
         convert_strl: Sequence[Hashable] | None = None,
         compression: CompressionOptions = "infer",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         *,
         value_labels: dict[Hashable, dict[float, str]] | None = None,
     ) -> None:
@@ -3659,7 +3659,7 @@ def __init__(
         convert_strl: Sequence[Hashable] | None = None,
         version: int | None = None,
         compression: CompressionOptions = "infer",
-        storage_options: StorageOptions = None,
+        storage_options: StorageOptions | None = None,
         *,
         value_labels: dict[Hashable, dict[float, str]] | None = None,
     ) -> None:
diff --git a/pandas/io/xml.py b/pandas/io/xml.py
index 2aec361d46b99..66065ab11e662 100644
--- a/pandas/io/xml.py
+++ b/pandas/io/xml.py
@@ -878,7 +878,7 @@ def read_xml(
     stylesheet: FilePath | ReadBuffer[bytes] | ReadBuffer[str] | None = None,
     iterparse: dict[str, list[str]] | None = None,
     compression: CompressionOptions = "infer",
-    storage_options: StorageOptions = None,
+    storage_options: StorageOptions | None = None,
     dtype_backend: DtypeBackend | lib.NoDefault = lib.no_default,
 ) -> DataFrame:
     r"""
diff --git a/pandas/plotting/_core.py b/pandas/plotting/_core.py
index 24b8816109677..ee8dec721d358 100644
--- a/pandas/plotting/_core.py
+++ b/pandas/plotting/_core.py
@@ -128,7 +128,7 @@ def hist_series(
 
 def hist_frame(
     data: DataFrame,
-    column: IndexLabel = None,
+    column: IndexLabel | None = None,
     by=None,
     grid: bool = True,
     xlabelsize: int | None = None,
@@ -1059,7 +1059,7 @@ def __call__(self, *args, **kwargs):
     )
     @Substitution(kind="line")
     @Appender(_bar_or_line_doc)
-    def line(self, x: Hashable = None, y: Hashable = None, **kwargs) -> PlotAccessor:
+    def line(self, x: Hashable | None = None, y: Hashable | None = None, **kwargs) -> PlotAccessor:
         """
         Plot Series or DataFrame as lines.
 
@@ -1147,7 +1147,7 @@ def line(self, x: Hashable = None, y: Hashable = None, **kwargs) -> PlotAccessor
     @Substitution(kind="bar")
     @Appender(_bar_or_line_doc)
     def bar(  # pylint: disable=disallowed-name
-        self, x: Hashable = None, y: Hashable = None, **kwargs
+        self, x: Hashable | None = None, y: Hashable | None = None, **kwargs
     ) -> PlotAccessor:
         """
         Vertical bar plot.
@@ -1234,7 +1234,7 @@ def bar(  # pylint: disable=disallowed-name
     )
     @Substitution(kind="bar")
     @Appender(_bar_or_line_doc)
-    def barh(self, x: Hashable = None, y: Hashable = None, **kwargs) -> PlotAccessor:
+    def barh(self, x: Hashable | None = None, y: Hashable | None = None, **kwargs) -> PlotAccessor:
         """
         Make a horizontal bar plot.
 
@@ -1246,7 +1246,7 @@ def barh(self, x: Hashable = None, y: Hashable = None, **kwargs) -> PlotAccessor
         """
         return self(kind="barh", x=x, y=y, **kwargs)
 
-    def box(self, by: IndexLabel = None, **kwargs) -> PlotAccessor:
+    def box(self, by: IndexLabel | None = None, **kwargs) -> PlotAccessor:
         r"""
         Make a box plot of the DataFrame columns.
 
@@ -1313,7 +1313,7 @@ def box(self, by: IndexLabel = None, **kwargs) -> PlotAccessor:
         """
         return self(kind="box", by=by, **kwargs)
 
-    def hist(self, by: IndexLabel = None, bins: int = 10, **kwargs) -> PlotAccessor:
+    def hist(self, by: IndexLabel | None = None, bins: int = 10, **kwargs) -> PlotAccessor:
         """
         Draw one histogram of the DataFrame's columns.
 
@@ -1491,7 +1491,7 @@ def kde(
     density = kde
 
     def area(
-        self, x: Hashable = None, y: Hashable = None, stacked: bool = True, **kwargs
+        self, x: Hashable | None = None, y: Hashable | None = None, stacked: bool = True, **kwargs
     ) -> PlotAccessor:
         """
         Draw a stacked area plot.
@@ -1624,8 +1624,8 @@ def scatter(
         self,
         x: Hashable,
         y: Hashable,
-        s: Hashable | Sequence[Hashable] = None,
-        c: Hashable | Sequence[Hashable] = None,
+        s: Hashable | Sequence[Hashable] | None = None,
+        c: Hashable | Sequence[Hashable] | None = None,
         **kwargs,
     ) -> PlotAccessor:
         """
@@ -1714,7 +1714,7 @@ def hexbin(
         self,
         x: Hashable,
         y: Hashable,
-        C: Hashable = None,
+        C: Hashable | None = None,
         reduce_C_function: Callable | None = None,
         gridsize: int | tuple[int, int] | None = None,
         **kwargs,

From 81a946e0f6107e2f44a0a83081171210b4fdcc4c Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Fri, 7 Jul 2023 13:08:57 -0700
Subject: [PATCH 2/4] add codespell, ignore RUF012

---
 pandas/_libs/algos.pyi        |  2 --
 pandas/core/frame.py          |  6 +++++-
 pandas/core/indexes/base.py   |  4 +++-
 pandas/core/indexes/period.py |  6 +++++-
 pandas/core/indexes/range.py  |  4 +++-
 pandas/core/series.py         |  5 ++++-
 pandas/plotting/_core.py      | 18 ++++++++++++++----
 pyproject.toml                |  6 ++++--
 8 files changed, 38 insertions(+), 13 deletions(-)

diff --git a/pandas/_libs/algos.pyi b/pandas/_libs/algos.pyi
index 1177b6b8fe357..caf5425dfc7b4 100644
--- a/pandas/_libs/algos.pyi
+++ b/pandas/_libs/algos.pyi
@@ -5,7 +5,6 @@ import numpy as np
 from pandas._typing import npt
 
 class Infinity:
-
     def __eq__(self, other) -> bool: ...
     def __ne__(self, other) -> bool: ...
     def __lt__(self, other) -> bool: ...
@@ -14,7 +13,6 @@ class Infinity:
     def __ge__(self, other) -> bool: ...
 
 class NegInfinity:
-
     def __eq__(self, other) -> bool: ...
     def __ne__(self, other) -> bool: ...
     def __lt__(self, other) -> bool: ...
diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index 8ec3721887ddb..0b953112429fa 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -7631,7 +7631,11 @@ def _should_reindex_frame_op(self, right, op, axis: int, fill_value, level) -> b
         return False
 
     def _align_for_op(
-        self, other, axis: AxisInt, flex: bool | None = False, level: Level | None = None
+        self,
+        other,
+        axis: AxisInt,
+        flex: bool | None = False,
+        level: Level | None = None,
     ):
         """
         Convert rhs to meet lhs dims if input is list, tuple or np.ndarray.
diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index 67b24c3ae9155..f358d8a4cea94 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -642,7 +642,9 @@ def _dtype_to_subclass(cls, dtype: DtypeObj):
     # See each method's docstring.
 
     @classmethod
-    def _simple_new(cls, values: ArrayLike, name: Hashable | None = None, refs=None) -> Self:
+    def _simple_new(
+        cls, values: ArrayLike, name: Hashable | None = None, refs=None
+    ) -> Self:
         """
         We require that we have a dtype compat for the values. If we are passed
         a non-dtype compat, then coerce using the constructor.
diff --git a/pandas/core/indexes/period.py b/pandas/core/indexes/period.py
index 18b0504f6ce3c..922980e4bf52e 100644
--- a/pandas/core/indexes/period.py
+++ b/pandas/core/indexes/period.py
@@ -467,7 +467,11 @@ def shift(self, periods: int = 1, freq=None) -> Self:
 
 
 def period_range(
-    start=None, end=None, periods: int | None = None, freq=None, name: Hashable | None = None
+    start=None,
+    end=None,
+    periods: int | None = None,
+    freq=None,
+    name: Hashable | None = None,
 ) -> PeriodIndex:
     """
     Return a fixed frequency PeriodIndex.
diff --git a/pandas/core/indexes/range.py b/pandas/core/indexes/range.py
index b404d6ef4fa65..6204ff77037a4 100644
--- a/pandas/core/indexes/range.py
+++ b/pandas/core/indexes/range.py
@@ -836,7 +836,9 @@ def _difference(self, other, sort=None):
 
         return new_index
 
-    def symmetric_difference(self, other, result_name: Hashable | None = None, sort=None):
+    def symmetric_difference(
+        self, other, result_name: Hashable | None = None, sort=None
+    ):
         if not isinstance(other, RangeIndex) or sort is not None:
             return super().symmetric_difference(other, result_name, sort)
 
diff --git a/pandas/core/series.py b/pandas/core/series.py
index a94fd79bb8dfb..acfa8a6dbe071 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -4320,7 +4320,10 @@ def explode(self, ignore_index: bool = False) -> Series:
         return self._constructor(values, index=index, name=self.name, copy=False)
 
     def unstack(
-        self, level: IndexLabel = -1, fill_value: Hashable | None = None, sort: bool = True
+        self,
+        level: IndexLabel = -1,
+        fill_value: Hashable | None = None,
+        sort: bool = True,
     ) -> DataFrame:
         """
         Unstack, also known as pivot, Series with MultiIndex to produce DataFrame.
diff --git a/pandas/plotting/_core.py b/pandas/plotting/_core.py
index ee8dec721d358..f74032601ca59 100644
--- a/pandas/plotting/_core.py
+++ b/pandas/plotting/_core.py
@@ -1059,7 +1059,9 @@ def __call__(self, *args, **kwargs):
     )
     @Substitution(kind="line")
     @Appender(_bar_or_line_doc)
-    def line(self, x: Hashable | None = None, y: Hashable | None = None, **kwargs) -> PlotAccessor:
+    def line(
+        self, x: Hashable | None = None, y: Hashable | None = None, **kwargs
+    ) -> PlotAccessor:
         """
         Plot Series or DataFrame as lines.
 
@@ -1234,7 +1236,9 @@ def bar(  # pylint: disable=disallowed-name
     )
     @Substitution(kind="bar")
     @Appender(_bar_or_line_doc)
-    def barh(self, x: Hashable | None = None, y: Hashable | None = None, **kwargs) -> PlotAccessor:
+    def barh(
+        self, x: Hashable | None = None, y: Hashable | None = None, **kwargs
+    ) -> PlotAccessor:
         """
         Make a horizontal bar plot.
 
@@ -1313,7 +1317,9 @@ def box(self, by: IndexLabel | None = None, **kwargs) -> PlotAccessor:
         """
         return self(kind="box", by=by, **kwargs)
 
-    def hist(self, by: IndexLabel | None = None, bins: int = 10, **kwargs) -> PlotAccessor:
+    def hist(
+        self, by: IndexLabel | None = None, bins: int = 10, **kwargs
+    ) -> PlotAccessor:
         """
         Draw one histogram of the DataFrame's columns.
 
@@ -1491,7 +1497,11 @@ def kde(
     density = kde
 
     def area(
-        self, x: Hashable | None = None, y: Hashable | None = None, stacked: bool = True, **kwargs
+        self,
+        x: Hashable | None = None,
+        y: Hashable | None = None,
+        stacked: bool = True,
+        **kwargs,
     ) -> PlotAccessor:
         """
         Draw a stacked area plot.
diff --git a/pyproject.toml b/pyproject.toml
index a2ae269c26667..b9cbf1628e443 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -321,7 +321,9 @@ ignore = [
   # pairwise-over-zipped (>=PY310 only)
   "RUF007",
   # explicit-f-string-type-conversion
-  "RUF010"
+  "RUF010",
+  # mutable-class-default
+  "RUF012"
 ]
 
 exclude = [
@@ -642,5 +644,5 @@ exclude_lines = [
 directory = "coverage_html_report"
 
 [tool.codespell]
-ignore-words-list = "blocs, coo, hist, nd, sav, ser, recuse, nin, timere"
+ignore-words-list = "blocs, coo, hist, nd, sav, ser, recuse, nin, timere, afile, foor, aas, mis"
 ignore-regex = 'https://([\w/\.])+'

From aca9e8e41d9be4ddacbab666b58a8a0db8f7d6be Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Fri, 7 Jul 2023 13:36:19 -0700
Subject: [PATCH 3/4] noqa RUF011, ignore another ruff code

---
 pandas/io/formats/xml.py | 12 ++++++++++--
 pyproject.toml           |  2 ++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/pandas/io/formats/xml.py b/pandas/io/formats/xml.py
index 01ef4b13c2137..5725975bb6278 100644
--- a/pandas/io/formats/xml.py
+++ b/pandas/io/formats/xml.py
@@ -252,10 +252,18 @@ def other_namespaces(self) -> dict:
 
         nmsp_dict: dict[str, str] = {}
         if self.namespaces and self.prefix is None:
-            nmsp_dict = {"xmlns": n for p, n in self.namespaces.items() if p != ""}
+            nmsp_dict = {
+                "xmlns": n  # noqa: RUF011
+                for p, n in self.namespaces.items()
+                if p != ""
+            }
 
         if self.namespaces and self.prefix:
-            nmsp_dict = {"xmlns": n for p, n in self.namespaces.items() if p == ""}
+            nmsp_dict = {
+                "xmlns": n  # noqa: RUF011
+                for p, n in self.namespaces.items()
+                if p == ""
+            }
 
         return nmsp_dict
 
diff --git a/pyproject.toml b/pyproject.toml
index b9cbf1628e443..62b65b6e91c13 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -308,6 +308,8 @@ ignore = [
   "B904",
   # Magic number
   "PLR2004",
+  # comparison-with-itself
+  "PLR0124",
   # Consider `elif` instead of `else` then `if` to remove indentation level
   "PLR5501",
   # ambiguous-unicode-character-string

From fc56243e60d4d19eb178a291b3eab7c25f11316e Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Mon, 10 Jul 2023 13:41:03 -0700
Subject: [PATCH 4/4] Rename

---
 .../tests/groupby/transform/test_transform.py |  8 ++++----
 .../tests/indexes/multi/test_constructors.py  |  2 +-
 pandas/tests/io/parser/test_read_fwf.py       |  4 ++--
 pandas/tests/io/test_fsspec.py                | 20 +++++++++----------
 pandas/tests/io/test_pickle.py                |  2 +-
 pyproject.toml                                |  2 +-
 6 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/pandas/tests/groupby/transform/test_transform.py b/pandas/tests/groupby/transform/test_transform.py
index c84ee3114b71f..cfa336907e71a 100644
--- a/pandas/tests/groupby/transform/test_transform.py
+++ b/pandas/tests/groupby/transform/test_transform.py
@@ -875,16 +875,16 @@ def test_transform_with_non_scalar_group():
     cols = MultiIndex.from_tuples(
         [
             ("syn", "A"),
-            ("mis", "A"),
+            ("foo", "A"),
             ("non", "A"),
             ("syn", "C"),
-            ("mis", "C"),
+            ("foo", "C"),
             ("non", "C"),
             ("syn", "T"),
-            ("mis", "T"),
+            ("foo", "T"),
             ("non", "T"),
             ("syn", "G"),
-            ("mis", "G"),
+            ("foo", "G"),
             ("non", "G"),
         ]
     )
diff --git a/pandas/tests/indexes/multi/test_constructors.py b/pandas/tests/indexes/multi/test_constructors.py
index cabc2bfd61db6..91ec1b2475cde 100644
--- a/pandas/tests/indexes/multi/test_constructors.py
+++ b/pandas/tests/indexes/multi/test_constructors.py
@@ -59,7 +59,7 @@ def test_constructor_nonhashable_names():
         codes=[[0, 0, 1, 1], [0, 1, 0, 1]],
         names=("foo", "bar"),
     )
-    renamed = [["foor"], ["barr"]]
+    renamed = [["fooo"], ["barr"]]
     with pytest.raises(TypeError, match=msg):
         mi.rename(names=renamed)
 
diff --git a/pandas/tests/io/parser/test_read_fwf.py b/pandas/tests/io/parser/test_read_fwf.py
index 7f622295472e4..47794c09bf541 100644
--- a/pandas/tests/io/parser/test_read_fwf.py
+++ b/pandas/tests/io/parser/test_read_fwf.py
@@ -695,10 +695,10 @@ def test_binary_mode():
 
     GH 18035.
     """
-    data = """aas aas aas
+    data = """aaa aaa aaa
 bba bab b a"""
     df_reference = DataFrame(
-        [["bba", "bab", "b a"]], columns=["aas", "aas.1", "aas.2"], index=[0]
+        [["bba", "bab", "b a"]], columns=["aaa", "aaa.1", "aaa.2"], index=[0]
     )
     with tm.ensure_clean() as path:
         Path(path).write_text(data)
diff --git a/pandas/tests/io/test_fsspec.py b/pandas/tests/io/test_fsspec.py
index a1cde9f2f7e61..fe5818620b9a9 100644
--- a/pandas/tests/io/test_fsspec.py
+++ b/pandas/tests/io/test_fsspec.py
@@ -247,18 +247,18 @@ def test_not_present_exception():
 @td.skip_if_no("pyarrow")
 def test_feather_options(fsspectest):
     df = DataFrame({"a": [0]})
-    df.to_feather("testmem://afile", storage_options={"test": "feather_write"})
+    df.to_feather("testmem://mockfile", storage_options={"test": "feather_write"})
     assert fsspectest.test[0] == "feather_write"
-    out = read_feather("testmem://afile", storage_options={"test": "feather_read"})
+    out = read_feather("testmem://mockfile", storage_options={"test": "feather_read"})
     assert fsspectest.test[0] == "feather_read"
     tm.assert_frame_equal(df, out)
 
 
 def test_pickle_options(fsspectest):
     df = DataFrame({"a": [0]})
-    df.to_pickle("testmem://afile", storage_options={"test": "pickle_write"})
+    df.to_pickle("testmem://mockfile", storage_options={"test": "pickle_write"})
     assert fsspectest.test[0] == "pickle_write"
-    out = read_pickle("testmem://afile", storage_options={"test": "pickle_read"})
+    out = read_pickle("testmem://mockfile", storage_options={"test": "pickle_read"})
     assert fsspectest.test[0] == "pickle_read"
     tm.assert_frame_equal(df, out)
 
@@ -266,13 +266,13 @@ def test_pickle_options(fsspectest):
 def test_json_options(fsspectest, compression):
     df = DataFrame({"a": [0]})
     df.to_json(
-        "testmem://afile",
+        "testmem://mockfile",
         compression=compression,
         storage_options={"test": "json_write"},
     )
     assert fsspectest.test[0] == "json_write"
     out = read_json(
-        "testmem://afile",
+        "testmem://mockfile",
         compression=compression,
         storage_options={"test": "json_read"},
     )
@@ -283,10 +283,10 @@ def test_json_options(fsspectest, compression):
 def test_stata_options(fsspectest):
     df = DataFrame({"a": [0]})
     df.to_stata(
-        "testmem://afile", storage_options={"test": "stata_write"}, write_index=False
+        "testmem://mockfile", storage_options={"test": "stata_write"}, write_index=False
     )
     assert fsspectest.test[0] == "stata_write"
-    out = read_stata("testmem://afile", storage_options={"test": "stata_read"})
+    out = read_stata("testmem://mockfile", storage_options={"test": "stata_read"})
     assert fsspectest.test[0] == "stata_read"
     tm.assert_frame_equal(df, out.astype("int64"))
 
@@ -294,9 +294,9 @@ def test_stata_options(fsspectest):
 @td.skip_if_no("tabulate")
 def test_markdown_options(fsspectest):
     df = DataFrame({"a": [0]})
-    df.to_markdown("testmem://afile", storage_options={"test": "md_write"})
+    df.to_markdown("testmem://mockfile", storage_options={"test": "md_write"})
     assert fsspectest.test[0] == "md_write"
-    assert fsspectest.cat("testmem://afile")
+    assert fsspectest.cat("testmem://mockfile")
 
 
 @td.skip_if_no("pyarrow")
diff --git a/pandas/tests/io/test_pickle.py b/pandas/tests/io/test_pickle.py
index 60506aa2fbd0a..71ff029ed2201 100644
--- a/pandas/tests/io/test_pickle.py
+++ b/pandas/tests/io/test_pickle.py
@@ -459,7 +459,7 @@ def mock_urlopen_read(*args, **kwargs):
 @td.skip_if_no("fsspec")
 def test_pickle_fsspec_roundtrip():
     with tm.ensure_clean():
-        mockurl = "memory://afile"
+        mockurl = "memory://mockfile"
         df = tm.makeDataFrame()
         df.to_pickle(mockurl)
         result = pd.read_pickle(mockurl)
diff --git a/pyproject.toml b/pyproject.toml
index 62b65b6e91c13..64bc5e55ebd64 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -646,5 +646,5 @@ exclude_lines = [
 directory = "coverage_html_report"
 
 [tool.codespell]
-ignore-words-list = "blocs, coo, hist, nd, sav, ser, recuse, nin, timere, afile, foor, aas, mis"
+ignore-words-list = "blocs, coo, hist, nd, sav, ser, recuse, nin, timere"
 ignore-regex = 'https://([\w/\.])+'