diff --git a/.travis.yml b/.travis.yml
index 87c453a0a387..02794ae56e69 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,7 +32,6 @@ jobs:
     - name: "black"
       install: pip install $(grep black requirements-tests-py3.txt)
       script: black --check --diff stdlib third_party
-  allow_failures:
     - name: "isort"
       install: pip install $(grep isort requirements-tests-py3.txt)
       script: isort --check-only --diff --recursive stdlib third_party
diff --git a/pyproject.toml b/pyproject.toml
index 3ae4966f6f11..c9b6b9b0d557 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,3 +9,5 @@ force_grid_wrap = 0
 use_parentheses = true
 combine_as_imports = true
 line_length = 130
+default_section = "THIRDPARTY"
+known_standard_library = ["typing_extensions", "_typeshed", "_compression", "_markupbase", "opcode"]
diff --git a/stdlib/2/ConfigParser.pyi b/stdlib/2/ConfigParser.pyi
index 6cdcb55009a8..08812848d14d 100644
--- a/stdlib/2/ConfigParser.pyi
+++ b/stdlib/2/ConfigParser.pyi
@@ -1,6 +1,5 @@
-from typing import IO, Any, Dict, List, Optional, Sequence, Tuple, Union
-
 from _typeshed import SupportsReadline
+from typing import IO, Any, Dict, List, Optional, Sequence, Tuple, Union
 
 DEFAULTSECT: str
 MAX_INTERPOLATION_DEPTH: int
diff --git a/stdlib/2/__builtin__.pyi b/stdlib/2/__builtin__.pyi
index 4bef6d121cd9..24c93a18e857 100644
--- a/stdlib/2/__builtin__.pyi
+++ b/stdlib/2/__builtin__.pyi
@@ -2,6 +2,16 @@
 # Python 3, and stub files conform to Python 3 syntax.
 
 import sys
+from _typeshed import (
+    AnyPath,
+    OpenBinaryMode,
+    OpenBinaryModeReading,
+    OpenBinaryModeUpdating,
+    OpenBinaryModeWriting,
+    OpenTextMode,
+    ReadableBuffer,
+    SupportsWrite,
+)
 from abc import ABCMeta
 from ast import AST, mod
 from io import BufferedRandom, BufferedReader, BufferedWriter, FileIO, TextIOWrapper
@@ -46,20 +56,8 @@ from typing import (
     ValuesView,
     overload,
 )
-
 from typing_extensions import Literal
 
-from _typeshed import (
-    AnyPath,
-    OpenBinaryMode,
-    OpenBinaryModeReading,
-    OpenBinaryModeUpdating,
-    OpenBinaryModeWriting,
-    OpenTextMode,
-    ReadableBuffer,
-    SupportsWrite,
-)
-
 if sys.version_info >= (3,):
     from typing import SupportsBytes, SupportsRound
 
diff --git a/stdlib/2/compileall.pyi b/stdlib/2/compileall.pyi
index cb7d663d0256..22662f46023d 100644
--- a/stdlib/2/compileall.pyi
+++ b/stdlib/2/compileall.pyi
@@ -1,6 +1,5 @@
-from typing import Any, Optional, Pattern
-
 from _typeshed import AnyPath
+from typing import Any, Optional, Pattern
 
 # rx can be any object with a 'search' method; once we have Protocols we can change the type
 def compile_dir(
diff --git a/stdlib/2/fcntl.pyi b/stdlib/2/fcntl.pyi
index a09d8a86a830..200e2249280c 100644
--- a/stdlib/2/fcntl.pyi
+++ b/stdlib/2/fcntl.pyi
@@ -1,6 +1,5 @@
-from typing import Any, Union
-
 from _typeshed import FileDescriptorLike
+from typing import Any, Union
 
 FASYNC: int
 FD_CLOEXEC: int
diff --git a/stdlib/2/json.pyi b/stdlib/2/json.pyi
index cb4c3f99d127..1584ed803b0b 100644
--- a/stdlib/2/json.pyi
+++ b/stdlib/2/json.pyi
@@ -1,6 +1,5 @@
-from typing import IO, Any, Callable, Dict, List, Optional, Text, Tuple, Type, Union
-
 from _typeshed import SupportsRead
+from typing import IO, Any, Callable, Dict, List, Optional, Text, Tuple, Type, Union
 
 class JSONDecodeError(ValueError):
     def dumps(self, obj: Any) -> str: ...
diff --git a/stdlib/2/os/__init__.pyi b/stdlib/2/os/__init__.pyi
index 31d205bb1ac8..35614d835eb1 100644
--- a/stdlib/2/os/__init__.pyi
+++ b/stdlib/2/os/__init__.pyi
@@ -1,4 +1,5 @@
 import sys
+from _typeshed import AnyPath
 from builtins import OSError as error
 from io import TextIOWrapper as _TextIOWrapper
 from posix import listdir as listdir, stat_result as stat_result  # TODO: use this, see https://github.com/python/mypy/issues/3078
@@ -25,8 +26,6 @@ from typing import (
     overload,
 )
 
-from _typeshed import AnyPath
-
 from . import path as path
 
 # We need to use something from path, or flake8 and pytype get unhappy
diff --git a/stdlib/2/os/path.pyi b/stdlib/2/os/path.pyi
index 6d5bfd0581d1..2fe03bb1b840 100644
--- a/stdlib/2/os/path.pyi
+++ b/stdlib/2/os/path.pyi
@@ -1,11 +1,10 @@
 # NB: path.pyi and stdlib/2 and stdlib/3 must remain consistent!
 import os
 import sys
+from _typeshed import AnyPath, BytesPath, StrPath
 from genericpath import exists as exists
 from typing import Any, AnyStr, Callable, List, Optional, Sequence, Text, Tuple, TypeVar, overload
 
-from _typeshed import AnyPath, BytesPath, StrPath
-
 _T = TypeVar("_T")
 
 if sys.version_info >= (3, 6):
diff --git a/stdlib/2/os2emxpath.pyi b/stdlib/2/os2emxpath.pyi
index 6d5bfd0581d1..2fe03bb1b840 100644
--- a/stdlib/2/os2emxpath.pyi
+++ b/stdlib/2/os2emxpath.pyi
@@ -1,11 +1,10 @@
 # NB: path.pyi and stdlib/2 and stdlib/3 must remain consistent!
 import os
 import sys
+from _typeshed import AnyPath, BytesPath, StrPath
 from genericpath import exists as exists
 from typing import Any, AnyStr, Callable, List, Optional, Sequence, Text, Tuple, TypeVar, overload
 
-from _typeshed import AnyPath, BytesPath, StrPath
-
 _T = TypeVar("_T")
 
 if sys.version_info >= (3, 6):
diff --git a/stdlib/2and3/_typeshed/__init__.pyi b/stdlib/2and3/_typeshed/__init__.pyi
index aae0826cc3ba..b2368a980784 100644
--- a/stdlib/2and3/_typeshed/__init__.pyi
+++ b/stdlib/2and3/_typeshed/__init__.pyi
@@ -16,7 +16,6 @@ import array
 import mmap
 import sys
 from typing import Protocol, Text, TypeVar, Union
-
 from typing_extensions import Literal
 
 _T_co = TypeVar("_T_co", covariant=True)
diff --git a/stdlib/2and3/aifc.pyi b/stdlib/2and3/aifc.pyi
index 391fbb0d004d..f812ac593e97 100644
--- a/stdlib/2and3/aifc.pyi
+++ b/stdlib/2and3/aifc.pyi
@@ -1,7 +1,6 @@
 import sys
 from types import TracebackType
 from typing import IO, Any, List, NamedTuple, Optional, Text, Tuple, Type, Union, overload
-
 from typing_extensions import Literal
 
 class Error(Exception): ...
diff --git a/stdlib/2and3/array.pyi b/stdlib/2and3/array.pyi
index da2f7145ae64..b47b778e6977 100644
--- a/stdlib/2and3/array.pyi
+++ b/stdlib/2and3/array.pyi
@@ -4,7 +4,6 @@
 
 import sys
 from typing import Any, BinaryIO, Generic, Iterable, Iterator, List, MutableSequence, Text, Tuple, TypeVar, Union, overload
-
 from typing_extensions import Literal
 
 _IntTypeCode = Literal["b", "B", "h", "H", "i", "I", "l", "L", "q", "Q"]
diff --git a/stdlib/2and3/asyncore.pyi b/stdlib/2and3/asyncore.pyi
index 4845b7aa7464..a05a205115f3 100644
--- a/stdlib/2and3/asyncore.pyi
+++ b/stdlib/2and3/asyncore.pyi
@@ -1,9 +1,8 @@
 import sys
+from _typeshed import FileDescriptorLike
 from socket import SocketType
 from typing import Any, Dict, Optional, Tuple, Union, overload
 
-from _typeshed import FileDescriptorLike
-
 # cyclic dependence with asynchat
 _maptype = Dict[int, Any]
 
diff --git a/stdlib/2and3/builtins.pyi b/stdlib/2and3/builtins.pyi
index 4bef6d121cd9..24c93a18e857 100644
--- a/stdlib/2and3/builtins.pyi
+++ b/stdlib/2and3/builtins.pyi
@@ -2,6 +2,16 @@
 # Python 3, and stub files conform to Python 3 syntax.
 
 import sys
+from _typeshed import (
+    AnyPath,
+    OpenBinaryMode,
+    OpenBinaryModeReading,
+    OpenBinaryModeUpdating,
+    OpenBinaryModeWriting,
+    OpenTextMode,
+    ReadableBuffer,
+    SupportsWrite,
+)
 from abc import ABCMeta
 from ast import AST, mod
 from io import BufferedRandom, BufferedReader, BufferedWriter, FileIO, TextIOWrapper
@@ -46,20 +56,8 @@ from typing import (
     ValuesView,
     overload,
 )
-
 from typing_extensions import Literal
 
-from _typeshed import (
-    AnyPath,
-    OpenBinaryMode,
-    OpenBinaryModeReading,
-    OpenBinaryModeUpdating,
-    OpenBinaryModeWriting,
-    OpenTextMode,
-    ReadableBuffer,
-    SupportsWrite,
-)
-
 if sys.version_info >= (3,):
     from typing import SupportsBytes, SupportsRound
 
diff --git a/stdlib/2and3/bz2.pyi b/stdlib/2and3/bz2.pyi
index 89e347780e1f..b67d00cc7be1 100644
--- a/stdlib/2and3/bz2.pyi
+++ b/stdlib/2and3/bz2.pyi
@@ -1,11 +1,9 @@
 import io
 import sys
+from _typeshed import AnyPath
 from typing import IO, Any, Optional, TextIO, TypeVar, Union, overload
-
 from typing_extensions import Literal
 
-from _typeshed import AnyPath
-
 _PathOrFile = Union[AnyPath, IO[bytes]]
 _T = TypeVar("_T")
 
diff --git a/stdlib/2and3/cProfile.pyi b/stdlib/2and3/cProfile.pyi
index 69bbba24d3a3..e5399beac9c4 100644
--- a/stdlib/2and3/cProfile.pyi
+++ b/stdlib/2and3/cProfile.pyi
@@ -1,7 +1,6 @@
 import sys
-from typing import Any, Callable, Dict, Optional, TypeVar, Union
-
 from _typeshed import AnyPath
+from typing import Any, Callable, Dict, Optional, TypeVar, Union
 
 def run(statement: str, filename: Optional[str] = ..., sort: Union[str, int] = ...) -> None: ...
 def runctx(
diff --git a/stdlib/2and3/cgitb.pyi b/stdlib/2and3/cgitb.pyi
index 0d90dc8f831f..7603ecd9afbe 100644
--- a/stdlib/2and3/cgitb.pyi
+++ b/stdlib/2and3/cgitb.pyi
@@ -1,8 +1,7 @@
+from _typeshed import AnyPath
 from types import FrameType, TracebackType
 from typing import IO, Any, Callable, Dict, List, Optional, Tuple, Type
 
-from _typeshed import AnyPath
-
 _ExcInfo = Tuple[Optional[Type[BaseException]], Optional[BaseException], Optional[TracebackType]]
 
 def reset() -> str: ...  # undocumented
diff --git a/stdlib/2and3/codecs.pyi b/stdlib/2and3/codecs.pyi
index d026f5d34b94..9a96c45198a4 100644
--- a/stdlib/2and3/codecs.pyi
+++ b/stdlib/2and3/codecs.pyi
@@ -20,7 +20,6 @@ from typing import (
     Union,
     overload,
 )
-
 from typing_extensions import Literal
 
 # TODO: this only satisfies the most common interface, where
diff --git a/stdlib/2and3/fileinput.pyi b/stdlib/2and3/fileinput.pyi
index 6a0e2c643e3b..fbb602b3bf45 100644
--- a/stdlib/2and3/fileinput.pyi
+++ b/stdlib/2and3/fileinput.pyi
@@ -1,7 +1,6 @@
 import sys
-from typing import IO, Any, AnyStr, Callable, Generic, Iterable, Iterator, Optional, Union
-
 from _typeshed import AnyPath
+from typing import IO, Any, AnyStr, Callable, Generic, Iterable, Iterator, Optional, Union
 
 if sys.version_info >= (3, 8):
     def input(
diff --git a/stdlib/2and3/ftplib.pyi b/stdlib/2and3/ftplib.pyi
index 8150c20afaeb..16f9549f3519 100644
--- a/stdlib/2and3/ftplib.pyi
+++ b/stdlib/2and3/ftplib.pyi
@@ -1,4 +1,5 @@
 import sys
+from _typeshed import SupportsRead, SupportsReadline
 from socket import socket
 from ssl import SSLContext
 from types import TracebackType
@@ -20,8 +21,6 @@ from typing import (
     Union,
 )
 
-from _typeshed import SupportsRead, SupportsReadline
-
 _T = TypeVar("_T")
 _IntOrStr = Union[int, Text]
 
diff --git a/stdlib/2and3/hmac.pyi b/stdlib/2and3/hmac.pyi
index c3874ec04c3c..bac39182b74e 100644
--- a/stdlib/2and3/hmac.pyi
+++ b/stdlib/2and3/hmac.pyi
@@ -1,11 +1,10 @@
 # Stubs for hmac
 
 import sys
+from _typeshed import ReadableBuffer
 from types import ModuleType
 from typing import Any, AnyStr, Callable, Optional, Union, overload
 
-from _typeshed import ReadableBuffer
-
 _B = Union[bytes, bytearray]
 
 # TODO more precise type for object of hashlib
diff --git a/stdlib/2and3/imaplib.pyi b/stdlib/2and3/imaplib.pyi
index eaf4befa1cf0..034943b613e2 100644
--- a/stdlib/2and3/imaplib.pyi
+++ b/stdlib/2and3/imaplib.pyi
@@ -4,7 +4,6 @@ import time
 from socket import socket as _socket
 from ssl import SSLContext, SSLSocket
 from typing import IO, Any, Callable, Dict, List, Optional, Pattern, Text, Tuple, Type, Union
-
 from typing_extensions import Literal
 
 # TODO: Commands should use their actual return types, not this type alias.
diff --git a/stdlib/2and3/lib2to3/pgen2/driver.pyi b/stdlib/2and3/lib2to3/pgen2/driver.pyi
index 69e4337c6b63..841b0e4b1cb3 100644
--- a/stdlib/2and3/lib2to3/pgen2/driver.pyi
+++ b/stdlib/2and3/lib2to3/pgen2/driver.pyi
@@ -1,10 +1,9 @@
+from _typeshed import StrPath
 from lib2to3.pgen2.grammar import Grammar
 from lib2to3.pytree import _NL, _Convert
 from logging import Logger
 from typing import IO, Any, Iterable, Optional, Text
 
-from _typeshed import StrPath
-
 class Driver:
     grammar: Grammar
     logger: Logger
diff --git a/stdlib/2and3/lib2to3/pgen2/grammar.pyi b/stdlib/2and3/lib2to3/pgen2/grammar.pyi
index e42cc2f2daa2..6ec97ce849d2 100644
--- a/stdlib/2and3/lib2to3/pgen2/grammar.pyi
+++ b/stdlib/2and3/lib2to3/pgen2/grammar.pyi
@@ -1,6 +1,5 @@
-from typing import Dict, List, Optional, Text, Tuple, TypeVar
-
 from _typeshed import StrPath
+from typing import Dict, List, Optional, Text, Tuple, TypeVar
 
 _P = TypeVar("_P")
 _Label = Tuple[int, Optional[Text]]
diff --git a/stdlib/2and3/lib2to3/pgen2/pgen.pyi b/stdlib/2and3/lib2to3/pgen2/pgen.pyi
index 7c9ec48f00ee..7920262f4f04 100644
--- a/stdlib/2and3/lib2to3/pgen2/pgen.pyi
+++ b/stdlib/2and3/lib2to3/pgen2/pgen.pyi
@@ -1,9 +1,8 @@
+from _typeshed import StrPath
 from lib2to3.pgen2 import grammar
 from lib2to3.pgen2.tokenize import _TokenInfo
 from typing import IO, Any, Dict, Iterable, Iterator, List, NoReturn, Optional, Text, Tuple
 
-from _typeshed import StrPath
-
 class PgenGrammar(grammar.Grammar): ...
 
 class ParserGenerator:
diff --git a/stdlib/2and3/logging/__init__.pyi b/stdlib/2and3/logging/__init__.pyi
index 62fd519c91d1..e5468e6c316a 100644
--- a/stdlib/2and3/logging/__init__.pyi
+++ b/stdlib/2and3/logging/__init__.pyi
@@ -1,5 +1,6 @@
 import sys
 import threading
+from _typeshed import StrPath
 from string import Template
 from time import struct_time
 from types import FrameType, TracebackType
@@ -20,8 +21,6 @@ from typing import (
     overload,
 )
 
-from _typeshed import StrPath
-
 _SysExcInfoType = Union[Tuple[type, BaseException, Optional[TracebackType]], Tuple[None, None, None]]
 if sys.version_info >= (3, 5):
     _ExcInfoType = Union[None, bool, _SysExcInfoType, BaseException]
diff --git a/stdlib/2and3/logging/config.pyi b/stdlib/2and3/logging/config.pyi
index 35d0b0c8be20..535d583d759a 100644
--- a/stdlib/2and3/logging/config.pyi
+++ b/stdlib/2and3/logging/config.pyi
@@ -1,9 +1,8 @@
 import sys
+from _typeshed import AnyPath, StrPath
 from threading import Thread
 from typing import IO, Any, Callable, Dict, Optional, Union
 
-from _typeshed import AnyPath, StrPath
-
 if sys.version_info >= (3,):
     from configparser import RawConfigParser
 else:
diff --git a/stdlib/2and3/logging/handlers.pyi b/stdlib/2and3/logging/handlers.pyi
index 79eafea47cea..bade71cf1138 100644
--- a/stdlib/2and3/logging/handlers.pyi
+++ b/stdlib/2and3/logging/handlers.pyi
@@ -1,12 +1,11 @@
 import datetime
 import ssl
 import sys
+from _typeshed import StrPath
 from logging import FileHandler, Handler, LogRecord
 from socket import SocketType
 from typing import Any, Callable, Dict, List, Optional, Tuple, Union, overload
 
-from _typeshed import StrPath
-
 if sys.version_info >= (3, 7):
     from queue import SimpleQueue, Queue
 elif sys.version_info >= (3,):
diff --git a/stdlib/2and3/macpath.pyi b/stdlib/2and3/macpath.pyi
index 04167b173635..550c9542c402 100644
--- a/stdlib/2and3/macpath.pyi
+++ b/stdlib/2and3/macpath.pyi
@@ -3,9 +3,8 @@
 
 import os
 import sys
-from typing import Any, AnyStr, Callable, List, Optional, Sequence, Text, Tuple, TypeVar, Union, overload
-
 from _typeshed import AnyPath, BytesPath, StrPath
+from typing import Any, AnyStr, Callable, List, Optional, Sequence, Text, Tuple, TypeVar, Union, overload
 
 if sys.version_info < (3, 8):
     _T = TypeVar("_T")
diff --git a/stdlib/2and3/mailbox.pyi b/stdlib/2and3/mailbox.pyi
index 8b751e3bfe09..3742b75c7ad7 100644
--- a/stdlib/2and3/mailbox.pyi
+++ b/stdlib/2and3/mailbox.pyi
@@ -1,4 +1,5 @@
 import email
+from _typeshed import AnyPath
 from types import TracebackType
 from typing import (
     IO,
@@ -21,11 +22,8 @@ from typing import (
     Union,
     overload,
 )
-
 from typing_extensions import Literal
 
-from _typeshed import AnyPath
-
 _T = TypeVar("_T")
 _MessageType = TypeVar("_MessageType", bound=Message)
 _MessageData = Union[email.message.Message, bytes, str, IO[str], IO[bytes]]
diff --git a/stdlib/2and3/mmap.pyi b/stdlib/2and3/mmap.pyi
index 48f1c94039b1..7039e3da9870 100644
--- a/stdlib/2and3/mmap.pyi
+++ b/stdlib/2and3/mmap.pyi
@@ -1,7 +1,6 @@
 import sys
-from typing import AnyStr, ContextManager, Generic, Iterable, Iterator, Optional, Sequence, Sized, Union, overload
-
 from _typeshed import ReadableBuffer
+from typing import AnyStr, ContextManager, Generic, Iterable, Iterator, Optional, Sequence, Sized, Union, overload
 
 ACCESS_DEFAULT: int
 ACCESS_READ: int
diff --git a/stdlib/2and3/msilib/__init__.pyi b/stdlib/2and3/msilib/__init__.pyi
index dc28258c529b..0442ffaaec83 100644
--- a/stdlib/2and3/msilib/__init__.pyi
+++ b/stdlib/2and3/msilib/__init__.pyi
@@ -1,7 +1,6 @@
 import sys
 from types import ModuleType
 from typing import Any, Container, Dict, Iterable, List, Optional, Sequence, Set, Tuple, Type, Union
-
 from typing_extensions import Literal
 
 if sys.platform == "win32":
diff --git a/stdlib/2and3/ntpath.pyi b/stdlib/2and3/ntpath.pyi
index 6d5bfd0581d1..2fe03bb1b840 100644
--- a/stdlib/2and3/ntpath.pyi
+++ b/stdlib/2and3/ntpath.pyi
@@ -1,11 +1,10 @@
 # NB: path.pyi and stdlib/2 and stdlib/3 must remain consistent!
 import os
 import sys
+from _typeshed import AnyPath, BytesPath, StrPath
 from genericpath import exists as exists
 from typing import Any, AnyStr, Callable, List, Optional, Sequence, Text, Tuple, TypeVar, overload
 
-from _typeshed import AnyPath, BytesPath, StrPath
-
 _T = TypeVar("_T")
 
 if sys.version_info >= (3, 6):
diff --git a/stdlib/2and3/parser.pyi b/stdlib/2and3/parser.pyi
index e09ae01105a7..799f25cf6a48 100644
--- a/stdlib/2and3/parser.pyi
+++ b/stdlib/2and3/parser.pyi
@@ -1,8 +1,7 @@
+from _typeshed import AnyPath
 from types import CodeType
 from typing import Any, List, Sequence, Text, Tuple
 
-from _typeshed import AnyPath
-
 def expr(source: Text) -> STType: ...
 def suite(source: Text) -> STType: ...
 def sequence2st(sequence: Sequence[Any]) -> STType: ...
diff --git a/stdlib/2and3/posixpath.pyi b/stdlib/2and3/posixpath.pyi
index 6d5bfd0581d1..2fe03bb1b840 100644
--- a/stdlib/2and3/posixpath.pyi
+++ b/stdlib/2and3/posixpath.pyi
@@ -1,11 +1,10 @@
 # NB: path.pyi and stdlib/2 and stdlib/3 must remain consistent!
 import os
 import sys
+from _typeshed import AnyPath, BytesPath, StrPath
 from genericpath import exists as exists
 from typing import Any, AnyStr, Callable, List, Optional, Sequence, Text, Tuple, TypeVar, overload
 
-from _typeshed import AnyPath, BytesPath, StrPath
-
 _T = TypeVar("_T")
 
 if sys.version_info >= (3, 6):
diff --git a/stdlib/2and3/profile.pyi b/stdlib/2and3/profile.pyi
index 86d8d10039ae..d5f4bd4d5271 100644
--- a/stdlib/2and3/profile.pyi
+++ b/stdlib/2and3/profile.pyi
@@ -1,6 +1,5 @@
-from typing import Any, Callable, Dict, Optional, TypeVar, Union
-
 from _typeshed import AnyPath
+from typing import Any, Callable, Dict, Optional, TypeVar, Union
 
 def run(statement: str, filename: Optional[str] = ..., sort: Union[str, int] = ...) -> None: ...
 def runctx(
diff --git a/stdlib/2and3/pstats.pyi b/stdlib/2and3/pstats.pyi
index 33ff7fc96983..ee5c0dd1ca14 100644
--- a/stdlib/2and3/pstats.pyi
+++ b/stdlib/2and3/pstats.pyi
@@ -1,9 +1,8 @@
+from _typeshed import AnyPath
 from cProfile import Profile as _cProfile
 from profile import Profile
 from typing import IO, Any, Dict, Iterable, List, Optional, Text, Tuple, TypeVar, Union, overload
 
-from _typeshed import AnyPath
-
 _Selector = Union[str, float, int]
 _T = TypeVar("_T", bound=Stats)
 
diff --git a/stdlib/2and3/pydoc.pyi b/stdlib/2and3/pydoc.pyi
index 79e46acf5dc4..39aad5e74a4d 100644
--- a/stdlib/2and3/pydoc.pyi
+++ b/stdlib/2and3/pydoc.pyi
@@ -1,4 +1,5 @@
 import sys
+from _typeshed import SupportsWrite
 from types import FunctionType, MethodType, ModuleType, TracebackType
 from typing import (
     IO,
@@ -18,8 +19,6 @@ from typing import (
     Union,
 )
 
-from _typeshed import SupportsWrite
-
 if sys.version_info >= (3,):
     from reprlib import Repr
 else:
diff --git a/stdlib/2and3/pyexpat/__init__.pyi b/stdlib/2and3/pyexpat/__init__.pyi
index ac21a548839c..c8305567e92e 100644
--- a/stdlib/2and3/pyexpat/__init__.pyi
+++ b/stdlib/2and3/pyexpat/__init__.pyi
@@ -1,8 +1,7 @@
 import pyexpat.errors as errors
 import pyexpat.model as model
-from typing import Any, Callable, Dict, List, Optional, Text, Tuple, Union
-
 from _typeshed import SupportsRead
+from typing import Any, Callable, Dict, List, Optional, Text, Tuple, Union
 
 EXPAT_VERSION: str  # undocumented
 version_info: Tuple[int, int, int]  # undocumented
diff --git a/stdlib/2and3/select.pyi b/stdlib/2and3/select.pyi
index f9a725cf6197..e0cf3bdd4d75 100644
--- a/stdlib/2and3/select.pyi
+++ b/stdlib/2and3/select.pyi
@@ -1,9 +1,8 @@
 import sys
+from _typeshed import FileDescriptorLike
 from types import TracebackType
 from typing import Any, Iterable, List, Optional, Tuple, Type
 
-from _typeshed import FileDescriptorLike
-
 if sys.platform != "win32":
     PIPE_BUF: int
     POLLERR: int
diff --git a/stdlib/2and3/shutil.pyi b/stdlib/2and3/shutil.pyi
index 4c6cb6ac7b0a..bfe4b2b06c0e 100644
--- a/stdlib/2and3/shutil.pyi
+++ b/stdlib/2and3/shutil.pyi
@@ -1,5 +1,6 @@
 import os
 import sys
+from _typeshed import StrPath, SupportsRead, SupportsWrite
 from typing import (
     Any,
     AnyStr,
@@ -18,8 +19,6 @@ from typing import (
     overload,
 )
 
-from _typeshed import StrPath, SupportsRead, SupportsWrite
-
 if sys.version_info >= (3, 6):
     _AnyStr = str
     _AnyPath = TypeVar("_AnyPath", str, os.PathLike[str])
diff --git a/stdlib/2and3/sndhdr.pyi b/stdlib/2and3/sndhdr.pyi
index 0e6aea6fd0d3..ef025ac571a7 100644
--- a/stdlib/2and3/sndhdr.pyi
+++ b/stdlib/2and3/sndhdr.pyi
@@ -1,7 +1,6 @@
 import sys
-from typing import NamedTuple, Optional, Tuple, Union
-
 from _typeshed import AnyPath
+from typing import NamedTuple, Optional, Tuple, Union
 
 if sys.version_info >= (3, 5):
     class SndHeaders(NamedTuple):
diff --git a/stdlib/2and3/socket.pyi b/stdlib/2and3/socket.pyi
index 9e9ccf43b0d1..aa4fde1eebf1 100644
--- a/stdlib/2and3/socket.pyi
+++ b/stdlib/2and3/socket.pyi
@@ -16,7 +16,6 @@ CPython C source: https://github.com/python/cpython/blob/master/Modules/socketmo
 #   adapted for Python 2.7 by Michal Pokorny
 import sys
 from typing import Any, BinaryIO, Iterable, List, Optional, Text, TextIO, Tuple, TypeVar, Union, overload
-
 from typing_extensions import Literal
 
 # ----- Constants -----
diff --git a/stdlib/2and3/ssl.pyi b/stdlib/2and3/ssl.pyi
index e54928f85905..c0500d686d4b 100644
--- a/stdlib/2and3/ssl.pyi
+++ b/stdlib/2and3/ssl.pyi
@@ -1,12 +1,10 @@
 import enum
 import socket
 import sys
+from _typeshed import StrPath
 from typing import Any, Callable, ClassVar, Dict, Iterable, List, NamedTuple, Optional, Set, Text, Tuple, Type, Union, overload
-
 from typing_extensions import Literal
 
-from _typeshed import StrPath
-
 _PCTRTT = Tuple[Tuple[str, str], ...]
 _PCTRTTT = Tuple[_PCTRTT, ...]
 _PeerCertRetDictType = Dict[str, Union[str, _PCTRTTT, _PCTRTT]]
diff --git a/stdlib/2and3/tabnanny.pyi b/stdlib/2and3/tabnanny.pyi
index b6703e6659fa..7784c9fc8d1b 100644
--- a/stdlib/2and3/tabnanny.pyi
+++ b/stdlib/2and3/tabnanny.pyi
@@ -1,6 +1,5 @@
-from typing import Iterable, Tuple
-
 from _typeshed import AnyPath
+from typing import Iterable, Tuple
 
 verbose: int
 filename_only: int
diff --git a/stdlib/2and3/tarfile.pyi b/stdlib/2and3/tarfile.pyi
index b310f4ce35a4..bc64a2223c65 100644
--- a/stdlib/2and3/tarfile.pyi
+++ b/stdlib/2and3/tarfile.pyi
@@ -1,9 +1,8 @@
 import sys
+from _typeshed import AnyPath
 from types import TracebackType
 from typing import IO, Callable, Dict, Iterable, Iterator, List, Mapping, Optional, Set, Tuple, Type, Union
 
-from _typeshed import AnyPath
-
 # tar constants
 NUL: bytes
 BLOCKSIZE: int
diff --git a/stdlib/2and3/termios.pyi b/stdlib/2and3/termios.pyi
index 429dcc4e8a50..779b92626006 100644
--- a/stdlib/2and3/termios.pyi
+++ b/stdlib/2and3/termios.pyi
@@ -1,6 +1,5 @@
-from typing import List, Union
-
 from _typeshed import FileDescriptorLike
+from typing import List, Union
 
 _Attr = List[Union[int, List[bytes]]]
 
diff --git a/stdlib/2and3/trace.pyi b/stdlib/2and3/trace.pyi
index 50d19a0bf334..6cdb537baa7c 100644
--- a/stdlib/2and3/trace.pyi
+++ b/stdlib/2and3/trace.pyi
@@ -1,7 +1,6 @@
 import types
-from typing import Any, Callable, Mapping, Optional, Sequence, Tuple, TypeVar, Union
-
 from _typeshed import StrPath
+from typing import Any, Callable, Mapping, Optional, Sequence, Tuple, TypeVar, Union
 
 _T = TypeVar("_T")
 _localtrace = Callable[[types.FrameType, str, Any], Callable[..., Any]]
diff --git a/stdlib/2and3/traceback.pyi b/stdlib/2and3/traceback.pyi
index 97cb27de6bf6..3972ca875fa8 100644
--- a/stdlib/2and3/traceback.pyi
+++ b/stdlib/2and3/traceback.pyi
@@ -1,9 +1,8 @@
 import sys
+from _typeshed import SupportsWrite
 from types import FrameType, TracebackType
 from typing import IO, Any, Dict, Generator, Iterable, Iterator, List, Mapping, Optional, Tuple, Type
 
-from _typeshed import SupportsWrite
-
 _PT = Tuple[str, int, str, Optional[str]]
 
 def print_tb(tb: Optional[TracebackType], limit: Optional[int] = ..., file: Optional[IO[str]] = ...) -> None: ...
diff --git a/stdlib/2and3/warnings.pyi b/stdlib/2and3/warnings.pyi
index af1ffd8aeba4..e15c03e98e4a 100644
--- a/stdlib/2and3/warnings.pyi
+++ b/stdlib/2and3/warnings.pyi
@@ -1,7 +1,6 @@
 import sys
 from types import ModuleType, TracebackType
 from typing import Any, List, NamedTuple, Optional, TextIO, Type, Union, overload
-
 from typing_extensions import Literal
 
 from _warnings import warn as warn, warn_explicit as warn_explicit
diff --git a/stdlib/2and3/winsound.pyi b/stdlib/2and3/winsound.pyi
index ff4da6fff2a5..be9a8c660781 100644
--- a/stdlib/2and3/winsound.pyi
+++ b/stdlib/2and3/winsound.pyi
@@ -1,6 +1,5 @@
 import sys
 from typing import Optional, Union, overload
-
 from typing_extensions import Literal
 
 if sys.platform == "win32":
diff --git a/stdlib/2and3/wsgiref/validate.pyi b/stdlib/2and3/wsgiref/validate.pyi
index 0612fc86685f..570546e6545d 100644
--- a/stdlib/2and3/wsgiref/validate.pyi
+++ b/stdlib/2and3/wsgiref/validate.pyi
@@ -1,7 +1,6 @@
 import sys
-from typing import Any, Callable, Iterable, Iterator, NoReturn, Optional
-
 from _typeshed.wsgi import ErrorStream, InputStream, WSGIApplication
+from typing import Any, Callable, Iterable, Iterator, NoReturn, Optional
 
 class WSGIWarning(Warning): ...
 
diff --git a/stdlib/2and3/xml/etree/ElementTree.pyi b/stdlib/2and3/xml/etree/ElementTree.pyi
index 0ef6bb5baea9..0d1eafc7d3bb 100644
--- a/stdlib/2and3/xml/etree/ElementTree.pyi
+++ b/stdlib/2and3/xml/etree/ElementTree.pyi
@@ -1,4 +1,5 @@
 import sys
+from _typeshed import AnyPath, FileDescriptor, SupportsWrite
 from typing import (
     IO,
     Any,
@@ -19,11 +20,8 @@ from typing import (
     Union,
     overload,
 )
-
 from typing_extensions import Literal
 
-from _typeshed import AnyPath, FileDescriptor, SupportsWrite
-
 VERSION: str
 
 class ParseError(SyntaxError):
diff --git a/stdlib/2and3/xml/sax/saxutils.pyi b/stdlib/2and3/xml/sax/saxutils.pyi
index ccb79e96dbdf..c7cb16072f89 100644
--- a/stdlib/2and3/xml/sax/saxutils.pyi
+++ b/stdlib/2and3/xml/sax/saxutils.pyi
@@ -1,11 +1,10 @@
 import sys
+from _typeshed import SupportsWrite
 from codecs import StreamReaderWriter, StreamWriter
 from io import RawIOBase, TextIOBase
 from typing import Mapping, Optional, Text, TextIO, Union
 from xml.sax import handler, xmlreader
 
-from _typeshed import SupportsWrite
-
 def escape(data: Text, entities: Mapping[Text, Text] = ...) -> Text: ...
 def unescape(data: Text, entities: Mapping[Text, Text] = ...) -> Text: ...
 def quoteattr(data: Text, entities: Mapping[Text, Text] = ...) -> Text: ...
diff --git a/stdlib/2and3/zipfile.pyi b/stdlib/2and3/zipfile.pyi
index b122f2b2bff4..e002aa2c1e80 100644
--- a/stdlib/2and3/zipfile.pyi
+++ b/stdlib/2and3/zipfile.pyi
@@ -1,5 +1,6 @@
 import io
 import sys
+from _typeshed import StrPath
 from types import TracebackType
 from typing import (
     IO,
@@ -19,8 +20,6 @@ from typing import (
     Union,
 )
 
-from _typeshed import StrPath
-
 _SZI = Union[Text, ZipInfo]
 _DT = Tuple[int, int, int, int, int, int]
 
diff --git a/stdlib/3/_sitebuiltins.pyi b/stdlib/3/_sitebuiltins.pyi
index 18da4729c8da..e0e9316aa290 100644
--- a/stdlib/3/_sitebuiltins.pyi
+++ b/stdlib/3/_sitebuiltins.pyi
@@ -1,5 +1,4 @@
 from typing import ClassVar, Iterable, NoReturn, Optional
-
 from typing_extensions import Literal
 
 class Quitter:
diff --git a/stdlib/3/_winapi.pyi b/stdlib/3/_winapi.pyi
index 2054b710b2e3..09245b5218c1 100644
--- a/stdlib/3/_winapi.pyi
+++ b/stdlib/3/_winapi.pyi
@@ -1,6 +1,5 @@
 import sys
 from typing import Any, Dict, NoReturn, Optional, Sequence, Tuple, Union, overload
-
 from typing_extensions import Literal
 
 CREATE_NEW_CONSOLE: int
diff --git a/stdlib/3/ast.pyi b/stdlib/3/ast.pyi
index 9d0013e2873b..7efd2b226ebc 100644
--- a/stdlib/3/ast.pyi
+++ b/stdlib/3/ast.pyi
@@ -9,7 +9,6 @@
 import sys
 import typing as _typing
 from typing import Any, Iterator, Optional, TypeVar, Union, overload
-
 from typing_extensions import Literal
 
 from _ast import *  # type: ignore
diff --git a/stdlib/3/asyncio/base_events.pyi b/stdlib/3/asyncio/base_events.pyi
index d9aeb87fb338..ddecc99bc300 100644
--- a/stdlib/3/asyncio/base_events.pyi
+++ b/stdlib/3/asyncio/base_events.pyi
@@ -1,5 +1,6 @@
 import ssl
 import sys
+from _typeshed import FileDescriptorLike
 from abc import ABCMeta
 from asyncio.events import AbstractEventLoop, AbstractServer, Handle, TimerHandle
 from asyncio.futures import Future
@@ -8,11 +9,8 @@ from asyncio.tasks import Task
 from asyncio.transports import BaseTransport
 from socket import _Address, _RetAddress, socket
 from typing import IO, Any, Awaitable, Callable, Dict, Generator, List, Optional, Sequence, Tuple, TypeVar, Union, overload
-
 from typing_extensions import Literal
 
-from _typeshed import FileDescriptorLike
-
 if sys.version_info >= (3, 7):
     from contextvars import Context
 
diff --git a/stdlib/3/asyncio/base_futures.pyi b/stdlib/3/asyncio/base_futures.pyi
index ca49b4de0937..ae6ded094a05 100644
--- a/stdlib/3/asyncio/base_futures.pyi
+++ b/stdlib/3/asyncio/base_futures.pyi
@@ -1,6 +1,5 @@
 import contextvars
 from typing import Callable, List, Sequence, Tuple
-
 from typing_extensions import Literal
 
 from . import futures
diff --git a/stdlib/3/asyncio/base_tasks.pyi b/stdlib/3/asyncio/base_tasks.pyi
index e402531df1c5..79542d18c17a 100644
--- a/stdlib/3/asyncio/base_tasks.pyi
+++ b/stdlib/3/asyncio/base_tasks.pyi
@@ -1,8 +1,7 @@
+from _typeshed import AnyPath
 from types import FrameType
 from typing import List, Optional
 
-from _typeshed import AnyPath
-
 from . import tasks
 
 def _task_repr_info(task: tasks.Task) -> List[str]: ...  # undocumented
diff --git a/stdlib/3/asyncio/events.pyi b/stdlib/3/asyncio/events.pyi
index ed4e54547ebb..31fdb7d8a7d8 100644
--- a/stdlib/3/asyncio/events.pyi
+++ b/stdlib/3/asyncio/events.pyi
@@ -1,5 +1,6 @@
 import ssl
 import sys
+from _typeshed import FileDescriptorLike
 from abc import ABCMeta, abstractmethod
 from asyncio.futures import Future
 from asyncio.protocols import BaseProtocol
@@ -9,8 +10,6 @@ from asyncio.unix_events import AbstractChildWatcher
 from socket import _Address, _RetAddress, socket
 from typing import IO, Any, Awaitable, Callable, Dict, Generator, List, Optional, Sequence, Tuple, TypeVar, Union, overload
 
-from _typeshed import FileDescriptorLike
-
 if sys.version_info >= (3, 7):
     from contextvars import Context
 
diff --git a/stdlib/3/asyncio/proactor_events.pyi b/stdlib/3/asyncio/proactor_events.pyi
index 18edbe8f17f1..e3ebeb502f3c 100644
--- a/stdlib/3/asyncio/proactor_events.pyi
+++ b/stdlib/3/asyncio/proactor_events.pyi
@@ -1,6 +1,5 @@
 from socket import socket
 from typing import Any, Mapping, Optional
-
 from typing_extensions import Literal
 
 from . import base_events, constants, events, futures, streams, transports
diff --git a/stdlib/3/asyncio/sslproto.pyi b/stdlib/3/asyncio/sslproto.pyi
index 35dcba808fc9..0b921df93023 100644
--- a/stdlib/3/asyncio/sslproto.pyi
+++ b/stdlib/3/asyncio/sslproto.pyi
@@ -1,7 +1,6 @@
 import ssl
 import sys
 from typing import Any, Callable, ClassVar, Deque, Dict, List, Optional, Tuple
-
 from typing_extensions import Literal
 
 from . import constants, events, futures, protocols, transports
diff --git a/stdlib/3/asyncio/tasks.pyi b/stdlib/3/asyncio/tasks.pyi
index 8814d129b7f1..33302b722776 100644
--- a/stdlib/3/asyncio/tasks.pyi
+++ b/stdlib/3/asyncio/tasks.pyi
@@ -17,7 +17,6 @@ from typing import (
     Union,
     overload,
 )
-
 from typing_extensions import Literal
 
 from .events import AbstractEventLoop
diff --git a/stdlib/3/compileall.pyi b/stdlib/3/compileall.pyi
index 5f9232f3f402..4d6fda9fafe9 100644
--- a/stdlib/3/compileall.pyi
+++ b/stdlib/3/compileall.pyi
@@ -1,7 +1,6 @@
 import sys
-from typing import Any, Optional, Pattern
-
 from _typeshed import AnyPath
+from typing import Any, Optional, Pattern
 
 if sys.version_info < (3, 6):
     _SuccessType = bool
diff --git a/stdlib/3/configparser.pyi b/stdlib/3/configparser.pyi
index 7155800dfa2a..d46b8552a382 100644
--- a/stdlib/3/configparser.pyi
+++ b/stdlib/3/configparser.pyi
@@ -1,4 +1,5 @@
 import sys
+from _typeshed import AnyPath, StrPath
 from typing import (
     IO,
     AbstractSet,
@@ -21,8 +22,6 @@ from typing import (
     overload,
 )
 
-from _typeshed import AnyPath, StrPath
-
 # Internal type aliases
 _section = Mapping[str, str]
 _parser = MutableMapping[str, _section]
diff --git a/stdlib/3/dbm/__init__.pyi b/stdlib/3/dbm/__init__.pyi
index a04aa8c582db..6177664bfbfa 100644
--- a/stdlib/3/dbm/__init__.pyi
+++ b/stdlib/3/dbm/__init__.pyi
@@ -1,7 +1,6 @@
 import sys
 from types import TracebackType
 from typing import Iterator, MutableMapping, Optional, Type, Union
-
 from typing_extensions import Literal
 
 _KeyType = Union[str, bytes]
diff --git a/stdlib/3/faulthandler.pyi b/stdlib/3/faulthandler.pyi
index 0e06283a8aab..7b42b8ec8444 100644
--- a/stdlib/3/faulthandler.pyi
+++ b/stdlib/3/faulthandler.pyi
@@ -1,5 +1,4 @@
 import sys
-
 from _typeshed import FileDescriptorLike
 
 def cancel_dump_traceback_later() -> None: ...
diff --git a/stdlib/3/fcntl.pyi b/stdlib/3/fcntl.pyi
index 4f76a7c6622b..acd48176ceaf 100644
--- a/stdlib/3/fcntl.pyi
+++ b/stdlib/3/fcntl.pyi
@@ -1,10 +1,8 @@
+from _typeshed import FileDescriptorLike
 from array import array
 from typing import Any, Union, overload
-
 from typing_extensions import Literal
 
-from _typeshed import FileDescriptorLike
-
 FASYNC: int
 FD_CLOEXEC: int
 DN_ACCESS: int
diff --git a/stdlib/3/gettext.pyi b/stdlib/3/gettext.pyi
index fac2a1b32fdc..bb9610731f63 100644
--- a/stdlib/3/gettext.pyi
+++ b/stdlib/3/gettext.pyi
@@ -1,10 +1,8 @@
 import sys
+from _typeshed import StrPath
 from typing import IO, Any, Container, Iterable, Optional, Sequence, Type, TypeVar, Union, overload
-
 from typing_extensions import Literal
 
-from _typeshed import StrPath
-
 class NullTranslations:
     def __init__(self, fp: Optional[IO[str]] = ...) -> None: ...
     def _parse(self, fp: IO[str]) -> None: ...
diff --git a/stdlib/3/gzip.pyi b/stdlib/3/gzip.pyi
index d0c542ce0da8..2d389cfc3ad0 100644
--- a/stdlib/3/gzip.pyi
+++ b/stdlib/3/gzip.pyi
@@ -1,12 +1,10 @@
 import _compression
 import sys
 import zlib
+from _typeshed import AnyPath, ReadableBuffer
 from typing import IO, Optional, TextIO, Union, overload
-
 from typing_extensions import Literal
 
-from _typeshed import AnyPath, ReadableBuffer
-
 _OpenBinaryMode = Literal["r", "rb", "a", "ab", "w", "wb", "x", "xb"]
 _OpenTextMode = Literal["rt", "at", "wt", "xt"]
 @overload
diff --git a/stdlib/3/hashlib.pyi b/stdlib/3/hashlib.pyi
index 75da095b3482..de8b27880e0a 100644
--- a/stdlib/3/hashlib.pyi
+++ b/stdlib/3/hashlib.pyi
@@ -1,9 +1,8 @@
 # Stubs for hashlib
 
 import sys
-from typing import AbstractSet, Optional, Union
-
 from _typeshed import ReadableBuffer
+from typing import AbstractSet, Optional, Union
 
 class _Hash(object):
     digest_size: int
diff --git a/stdlib/3/http/__init__.pyi b/stdlib/3/http/__init__.pyi
index 124f265f7488..93895549cb2a 100644
--- a/stdlib/3/http/__init__.pyi
+++ b/stdlib/3/http/__init__.pyi
@@ -1,6 +1,5 @@
 import sys
 from enum import IntEnum
-
 from typing_extensions import Literal
 
 class HTTPStatus(IntEnum):
diff --git a/stdlib/3/imp.pyi b/stdlib/3/imp.pyi
index e24f59f50183..76e60741be51 100644
--- a/stdlib/3/imp.pyi
+++ b/stdlib/3/imp.pyi
@@ -1,6 +1,7 @@
 import os
 import sys
 import types
+from _typeshed import StrPath
 from typing import IO, Any, List, Optional, Tuple, TypeVar, Union
 
 from _imp import (
@@ -14,7 +15,6 @@ from _imp import (
     lock_held as lock_held,
     release_lock as release_lock,
 )
-from _typeshed import StrPath
 
 _T = TypeVar("_T")
 
diff --git a/stdlib/3/io.pyi b/stdlib/3/io.pyi
index 0449b28c7592..6294d6db9618 100644
--- a/stdlib/3/io.pyi
+++ b/stdlib/3/io.pyi
@@ -1,12 +1,11 @@
 import builtins
 import codecs
 import sys
+from _typeshed import ReadableBuffer, WriteableBuffer
 from mmap import mmap
 from types import TracebackType
 from typing import IO, Any, BinaryIO, Callable, Iterable, Iterator, List, Optional, TextIO, Tuple, Type, TypeVar, Union
 
-from _typeshed import ReadableBuffer, WriteableBuffer
-
 DEFAULT_BUFFER_SIZE: int
 
 SEEK_SET: int
diff --git a/stdlib/3/json/__init__.pyi b/stdlib/3/json/__init__.pyi
index 09c752fecf65..9abde5ddf36d 100644
--- a/stdlib/3/json/__init__.pyi
+++ b/stdlib/3/json/__init__.pyi
@@ -1,7 +1,6 @@
 import sys
-from typing import IO, Any, Callable, Dict, List, Optional, Tuple, Type, Union
-
 from _typeshed import SupportsRead
+from typing import IO, Any, Callable, Dict, List, Optional, Tuple, Type, Union
 
 from .decoder import JSONDecodeError as JSONDecodeError, JSONDecoder as JSONDecoder
 from .encoder import JSONEncoder as JSONEncoder
diff --git a/stdlib/3/lzma.pyi b/stdlib/3/lzma.pyi
index f754b26a0fe4..b39b5ecc77d3 100644
--- a/stdlib/3/lzma.pyi
+++ b/stdlib/3/lzma.pyi
@@ -1,10 +1,8 @@
 import io
+from _typeshed import AnyPath, ReadableBuffer
 from typing import IO, Any, Mapping, Optional, Sequence, TextIO, TypeVar, Union, overload
-
 from typing_extensions import Literal
 
-from _typeshed import AnyPath, ReadableBuffer
-
 _OpenBinaryWritingMode = Literal["w", "wb", "x", "xb", "a", "ab"]
 _OpenTextWritingMode = Literal["wt", "xt", "at"]
 
diff --git a/stdlib/3/multiprocessing/__init__.pyi b/stdlib/3/multiprocessing/__init__.pyi
index f7c35b56ffea..01b04d03f09f 100644
--- a/stdlib/3/multiprocessing/__init__.pyi
+++ b/stdlib/3/multiprocessing/__init__.pyi
@@ -1,7 +1,7 @@
 import sys
 from ctypes import _CData
 from logging import Logger
-from multiprocessing import connection, pool, sharedctypes, spawn, synchronize, queues
+from multiprocessing import connection, pool, queues, sharedctypes, spawn, synchronize
 from multiprocessing.context import (
     AuthenticationError as AuthenticationError,
     BaseContext,
@@ -16,7 +16,6 @@ from multiprocessing.managers import SyncManager
 from multiprocessing.process import active_children as active_children, current_process as current_process
 from multiprocessing.spawn import freeze_support as freeze_support
 from typing import Any, Callable, Iterable, List, Optional, Sequence, Tuple, Type, Union, overload
-
 from typing_extensions import Literal
 
 if sys.version_info >= (3, 8):
diff --git a/stdlib/3/multiprocessing/context.pyi b/stdlib/3/multiprocessing/context.pyi
index 962d9f82991a..5f39d45dc32a 100644
--- a/stdlib/3/multiprocessing/context.pyi
+++ b/stdlib/3/multiprocessing/context.pyi
@@ -4,7 +4,6 @@ from logging import Logger
 from multiprocessing import queues, sharedctypes, synchronize
 from multiprocessing.process import BaseProcess
 from typing import Any, Callable, Iterable, List, Optional, Sequence, Type, Union, overload
-
 from typing_extensions import Literal
 
 _LockLike = Union[synchronize.Lock, synchronize.RLock]
diff --git a/stdlib/3/os/__init__.pyi b/stdlib/3/os/__init__.pyi
index ad4a9da15fe5..98a3f9b9e5ea 100644
--- a/stdlib/3/os/__init__.pyi
+++ b/stdlib/3/os/__init__.pyi
@@ -1,4 +1,5 @@
 import sys
+from _typeshed import AnyPath
 from builtins import OSError as error
 from io import TextIOWrapper as _TextIOWrapper
 from posix import listdir as listdir, times_result
@@ -25,8 +26,6 @@ from typing import (
     overload,
 )
 
-from _typeshed import AnyPath
-
 from . import path as path
 
 # We need to use something from path, or flake8 and pytype get unhappy
diff --git a/stdlib/3/os/path.pyi b/stdlib/3/os/path.pyi
index 6d5bfd0581d1..2fe03bb1b840 100644
--- a/stdlib/3/os/path.pyi
+++ b/stdlib/3/os/path.pyi
@@ -1,11 +1,10 @@
 # NB: path.pyi and stdlib/2 and stdlib/3 must remain consistent!
 import os
 import sys
+from _typeshed import AnyPath, BytesPath, StrPath
 from genericpath import exists as exists
 from typing import Any, AnyStr, Callable, List, Optional, Sequence, Text, Tuple, TypeVar, overload
 
-from _typeshed import AnyPath, BytesPath, StrPath
-
 _T = TypeVar("_T")
 
 if sys.version_info >= (3, 6):
diff --git a/stdlib/3/pathlib.pyi b/stdlib/3/pathlib.pyi
index faaf5cd7c07d..beb973e856f3 100644
--- a/stdlib/3/pathlib.pyi
+++ b/stdlib/3/pathlib.pyi
@@ -1,10 +1,9 @@
 import os
 import sys
+from _typeshed import OpenBinaryMode, OpenTextMode
 from types import TracebackType
 from typing import IO, Any, BinaryIO, Generator, List, Optional, Sequence, TextIO, Tuple, Type, TypeVar, Union, overload
 
-from _typeshed import OpenBinaryMode, OpenTextMode
-
 _P = TypeVar("_P", bound=PurePath)
 
 if sys.version_info >= (3, 6):
diff --git a/stdlib/3/selectors.pyi b/stdlib/3/selectors.pyi
index 39b29acc54f7..b019c4f9c442 100644
--- a/stdlib/3/selectors.pyi
+++ b/stdlib/3/selectors.pyi
@@ -1,9 +1,8 @@
 import sys
+from _typeshed import FileDescriptor, FileDescriptorLike
 from abc import ABCMeta, abstractmethod
 from typing import Any, List, Mapping, NamedTuple, Optional, Tuple
 
-from _typeshed import FileDescriptor, FileDescriptorLike
-
 _EventMask = int
 
 EVENT_READ: _EventMask
diff --git a/stdlib/3/subprocess.pyi b/stdlib/3/subprocess.pyi
index 5e018897b23d..77b29f59c2db 100644
--- a/stdlib/3/subprocess.pyi
+++ b/stdlib/3/subprocess.pyi
@@ -1,11 +1,9 @@
 import sys
+from _typeshed import AnyPath
 from types import TracebackType
 from typing import IO, Any, AnyStr, Callable, Generic, Mapping, Optional, Sequence, Tuple, Type, TypeVar, Union, overload
-
 from typing_extensions import Literal
 
-from _typeshed import AnyPath
-
 # We prefer to annotate inputs to methods (eg subprocess.check_call) with these
 # union types.
 # For outputs we use laborious literal based overloads to try to determine
diff --git a/stdlib/3/tempfile.pyi b/stdlib/3/tempfile.pyi
index 0f17eaf78f30..3c46be28483a 100644
--- a/stdlib/3/tempfile.pyi
+++ b/stdlib/3/tempfile.pyi
@@ -2,7 +2,6 @@ import os
 import sys
 from types import TracebackType
 from typing import IO, Any, AnyStr, Generic, Iterable, Iterator, List, Optional, Tuple, Type, TypeVar, Union, overload
-
 from typing_extensions import Literal
 
 # global variables
diff --git a/stdlib/3/venv/__init__.pyi b/stdlib/3/venv/__init__.pyi
index ea3449b073b8..2919aab2addc 100644
--- a/stdlib/3/venv/__init__.pyi
+++ b/stdlib/3/venv/__init__.pyi
@@ -1,9 +1,8 @@
 import sys
+from _typeshed import AnyPath
 from types import SimpleNamespace
 from typing import Optional, Sequence
 
-from _typeshed import AnyPath
-
 class EnvBuilder:
     system_site_packages: bool
     clear: bool
diff --git a/stdlib/3/xmlrpc/client.pyi b/stdlib/3/xmlrpc/client.pyi
index ef8498a94836..2ffad6d269d6 100644
--- a/stdlib/3/xmlrpc/client.pyi
+++ b/stdlib/3/xmlrpc/client.pyi
@@ -3,14 +3,12 @@ import http.client
 import io
 import sys
 import time
+from _typeshed import SupportsRead, SupportsWrite
 from datetime import datetime
 from types import TracebackType
 from typing import Any, Callable, Dict, Iterable, List, Mapping, Optional, Protocol, Tuple, Type, Union, overload
-
 from typing_extensions import Literal
 
-from _typeshed import SupportsRead, SupportsWrite
-
 class _SupportsTimeTuple(Protocol):
     def timetuple(self) -> time.struct_time: ...
 
diff --git a/third_party/2/pathlib2.pyi b/third_party/2/pathlib2.pyi
index faaf5cd7c07d..beb973e856f3 100644
--- a/third_party/2/pathlib2.pyi
+++ b/third_party/2/pathlib2.pyi
@@ -1,10 +1,9 @@
 import os
 import sys
+from _typeshed import OpenBinaryMode, OpenTextMode
 from types import TracebackType
 from typing import IO, Any, BinaryIO, Generator, List, Optional, Sequence, TextIO, Tuple, Type, TypeVar, Union, overload
 
-from _typeshed import OpenBinaryMode, OpenTextMode
-
 _P = TypeVar("_P", bound=PurePath)
 
 if sys.version_info >= (3, 6):
diff --git a/third_party/2and3/atomicwrites/__init__.pyi b/third_party/2and3/atomicwrites/__init__.pyi
index 675e25ea6464..c2e7274226aa 100644
--- a/third_party/2and3/atomicwrites/__init__.pyi
+++ b/third_party/2and3/atomicwrites/__init__.pyi
@@ -1,7 +1,6 @@
 import sys
-from typing import IO, Any, AnyStr, Callable, ContextManager, Generic, Optional, Text, Type, Union
-
 from _typeshed import AnyPath
+from typing import IO, Any, AnyStr, Callable, ContextManager, Generic, Optional, Text, Type, Union
 
 def replace_atomic(src: AnyStr, dst: AnyStr) -> None: ...
 def move_atomic(src: AnyStr, dst: AnyStr) -> None: ...
diff --git a/third_party/2and3/chardet/universaldetector.pyi b/third_party/2and3/chardet/universaldetector.pyi
index 097ab4a838e2..464cfddc5d56 100644
--- a/third_party/2and3/chardet/universaldetector.pyi
+++ b/third_party/2and3/chardet/universaldetector.pyi
@@ -1,7 +1,6 @@
 import sys
 from logging import Logger
 from typing import Dict, Optional, Pattern
-
 from typing_extensions import TypedDict
 
 class _FinalResultType(TypedDict):
diff --git a/third_party/2and3/dateutil/easter.pyi b/third_party/2and3/dateutil/easter.pyi
index d6dfbdbbd137..33e366d476ae 100644
--- a/third_party/2and3/dateutil/easter.pyi
+++ b/third_party/2and3/dateutil/easter.pyi
@@ -1,5 +1,4 @@
 from datetime import date
-
 from typing_extensions import Literal
 
 EASTER_JULIAN: Literal[1]
diff --git a/third_party/2and3/flask/testing.pyi b/third_party/2and3/flask/testing.pyi
index fe6869a9bf31..504c722c4de3 100644
--- a/third_party/2and3/flask/testing.pyi
+++ b/third_party/2and3/flask/testing.pyi
@@ -6,7 +6,6 @@ from typing import IO, Any, Iterable, Mapping, Optional, Text, TypeVar, Union
 
 from click import BaseCommand
 from click.testing import CliRunner, Result
-
 from werkzeug.test import Client
 
 def make_test_environ_builder(
diff --git a/third_party/2and3/jinja2/utils.pyi b/third_party/2and3/jinja2/utils.pyi
index bf972f14f99b..3d1b1cccf2d1 100644
--- a/third_party/2and3/jinja2/utils.pyi
+++ b/third_party/2and3/jinja2/utils.pyi
@@ -1,8 +1,7 @@
+from _typeshed import AnyPath
 from typing import IO, Any, Callable, Iterable, Optional, Protocol, Text, TypeVar, Union
-
 from typing_extensions import Literal
 
-from _typeshed import AnyPath
 from markupsafe import Markup as Markup, escape as escape, soft_unicode as soft_unicode
 
 missing: Any
diff --git a/third_party/2and3/toml.pyi b/third_party/2and3/toml.pyi
index 0555f1319c2d..8e8858a6c99e 100644
--- a/third_party/2and3/toml.pyi
+++ b/third_party/2and3/toml.pyi
@@ -1,8 +1,7 @@
 import datetime
 import sys
-from typing import IO, Any, List, Mapping, MutableMapping, Optional, Text, Type, Union
-
 from _typeshed import StrPath, SupportsWrite
+from typing import IO, Any, List, Mapping, MutableMapping, Optional, Text, Type, Union
 
 if sys.version_info >= (3, 6):
     _PathLike = StrPath
diff --git a/third_party/2and3/werkzeug/contrib/fixers.pyi b/third_party/2and3/werkzeug/contrib/fixers.pyi
index 3276d431ff25..9d47aed11fbb 100644
--- a/third_party/2and3/werkzeug/contrib/fixers.pyi
+++ b/third_party/2and3/werkzeug/contrib/fixers.pyi
@@ -1,6 +1,5 @@
-from typing import Any, Iterable, List, Mapping, Optional, Sequence, Set, Text
-
 from _typeshed.wsgi import StartResponse, WSGIApplication, WSGIEnvironment
+from typing import Any, Iterable, List, Mapping, Optional, Sequence, Set, Text
 
 from ..middleware.proxy_fix import ProxyFix as ProxyFix
 
diff --git a/third_party/2and3/werkzeug/contrib/profiler.pyi b/third_party/2and3/werkzeug/contrib/profiler.pyi
index 8c4c468a6931..eb32ea461c17 100644
--- a/third_party/2and3/werkzeug/contrib/profiler.pyi
+++ b/third_party/2and3/werkzeug/contrib/profiler.pyi
@@ -1,6 +1,5 @@
-from typing import AnyStr, Generic, Tuple
-
 from _typeshed import SupportsWrite
+from typing import AnyStr, Generic, Tuple
 
 from ..middleware.profiler import *
 
diff --git a/third_party/2and3/werkzeug/datastructures.pyi b/third_party/2and3/werkzeug/datastructures.pyi
index 8cfbaaa3d398..858d465e6e39 100644
--- a/third_party/2and3/werkzeug/datastructures.pyi
+++ b/third_party/2and3/werkzeug/datastructures.pyi
@@ -1,4 +1,5 @@
 import collections
+from _typeshed import SupportsWrite
 from typing import (
     IO,
     Any,
@@ -21,8 +22,6 @@ from typing import (
     overload,
 )
 
-from _typeshed import SupportsWrite
-
 _K = TypeVar("_K")
 _V = TypeVar("_V")
 _R = TypeVar("_R")
diff --git a/third_party/2and3/werkzeug/exceptions.pyi b/third_party/2and3/werkzeug/exceptions.pyi
index 7a13c5fac50b..e7d72c721a2f 100644
--- a/third_party/2and3/werkzeug/exceptions.pyi
+++ b/third_party/2and3/werkzeug/exceptions.pyi
@@ -1,7 +1,7 @@
 import datetime
+from _typeshed.wsgi import StartResponse, WSGIEnvironment
 from typing import Any, Dict, Iterable, List, NoReturn, Optional, Protocol, Text, Tuple, Type, Union
 
-from _typeshed.wsgi import StartResponse, WSGIEnvironment
 from werkzeug.wrappers import Response
 
 class _EnvironContainer(Protocol):
diff --git a/third_party/2and3/werkzeug/formparser.pyi b/third_party/2and3/werkzeug/formparser.pyi
index a8ad07438abc..3f1160d0c726 100644
--- a/third_party/2and3/werkzeug/formparser.pyi
+++ b/third_party/2and3/werkzeug/formparser.pyi
@@ -1,3 +1,4 @@
+from _typeshed.wsgi import WSGIEnvironment
 from typing import (
     IO,
     Any,
@@ -15,8 +16,6 @@ from typing import (
     Union,
 )
 
-from _typeshed.wsgi import WSGIEnvironment
-
 from .datastructures import Headers
 
 _Dict = Any
diff --git a/third_party/2and3/werkzeug/http.pyi b/third_party/2and3/werkzeug/http.pyi
index 4af3fe8045f6..e124c3bfc97a 100644
--- a/third_party/2and3/werkzeug/http.pyi
+++ b/third_party/2and3/werkzeug/http.pyi
@@ -1,4 +1,5 @@
 import sys
+from _typeshed.wsgi import WSGIEnvironment
 from datetime import datetime, timedelta
 from typing import (
     Any,
@@ -17,8 +18,6 @@ from typing import (
     overload,
 )
 
-from _typeshed.wsgi import WSGIEnvironment
-
 from .datastructures import (
     Accept,
     Authorization,
diff --git a/third_party/2and3/werkzeug/middleware/dispatcher.pyi b/third_party/2and3/werkzeug/middleware/dispatcher.pyi
index 095436652499..875880c61358 100644
--- a/third_party/2and3/werkzeug/middleware/dispatcher.pyi
+++ b/third_party/2and3/werkzeug/middleware/dispatcher.pyi
@@ -1,6 +1,5 @@
-from typing import Any, Iterable, Mapping, Optional, Text
-
 from _typeshed.wsgi import StartResponse, WSGIApplication, WSGIEnvironment
+from typing import Any, Iterable, Mapping, Optional, Text
 
 class DispatcherMiddleware(object):
     app: WSGIApplication
diff --git a/third_party/2and3/werkzeug/middleware/http_proxy.pyi b/third_party/2and3/werkzeug/middleware/http_proxy.pyi
index 8ff7ad2d9292..0c4795de28c9 100644
--- a/third_party/2and3/werkzeug/middleware/http_proxy.pyi
+++ b/third_party/2and3/werkzeug/middleware/http_proxy.pyi
@@ -1,6 +1,5 @@
-from typing import Any, Dict, Iterable, Mapping, MutableMapping, Text
-
 from _typeshed.wsgi import StartResponse, WSGIApplication, WSGIEnvironment
+from typing import Any, Dict, Iterable, Mapping, MutableMapping, Text
 
 _Opts = Mapping[Text, Any]
 _MutableOpts = MutableMapping[Text, Any]
diff --git a/third_party/2and3/werkzeug/middleware/lint.pyi b/third_party/2and3/werkzeug/middleware/lint.pyi
index e92a0b9320e8..3ecd80d706e2 100644
--- a/third_party/2and3/werkzeug/middleware/lint.pyi
+++ b/third_party/2and3/werkzeug/middleware/lint.pyi
@@ -1,8 +1,7 @@
 import sys
-from typing import Any, Iterable, Iterator, List, Mapping, Optional, Protocol, Tuple
-
 from _typeshed import SupportsWrite
 from _typeshed.wsgi import StartResponse, WSGIApplication, WSGIEnvironment
+from typing import Any, Iterable, Iterator, List, Mapping, Optional, Protocol, Tuple
 
 from ..datastructures import Headers
 
diff --git a/third_party/2and3/werkzeug/middleware/profiler.pyi b/third_party/2and3/werkzeug/middleware/profiler.pyi
index 0aa6f40adc89..f309605b946e 100644
--- a/third_party/2and3/werkzeug/middleware/profiler.pyi
+++ b/third_party/2and3/werkzeug/middleware/profiler.pyi
@@ -1,6 +1,5 @@
-from typing import IO, Iterable, List, Optional, Text, Tuple, Union
-
 from _typeshed.wsgi import StartResponse, WSGIApplication, WSGIEnvironment
+from typing import IO, Iterable, List, Optional, Text, Tuple, Union
 
 class ProfilerMiddleware(object):
     def __init__(
diff --git a/third_party/2and3/werkzeug/middleware/proxy_fix.pyi b/third_party/2and3/werkzeug/middleware/proxy_fix.pyi
index 3b9f6c5ed71d..0522e2beb121 100644
--- a/third_party/2and3/werkzeug/middleware/proxy_fix.pyi
+++ b/third_party/2and3/werkzeug/middleware/proxy_fix.pyi
@@ -1,6 +1,5 @@
-from typing import Iterable, Optional
-
 from _typeshed.wsgi import StartResponse, WSGIApplication, WSGIEnvironment
+from typing import Iterable, Optional
 
 class ProxyFix(object):
     app: WSGIApplication
diff --git a/third_party/2and3/werkzeug/middleware/shared_data.pyi b/third_party/2and3/werkzeug/middleware/shared_data.pyi
index 2d87a56d3330..af0842d6977a 100644
--- a/third_party/2and3/werkzeug/middleware/shared_data.pyi
+++ b/third_party/2and3/werkzeug/middleware/shared_data.pyi
@@ -1,7 +1,6 @@
 import datetime
-from typing import IO, Callable, Iterable, List, Mapping, Optional, Text, Tuple, Union
-
 from _typeshed.wsgi import StartResponse, WSGIApplication, WSGIEnvironment
+from typing import IO, Callable, Iterable, List, Mapping, Optional, Text, Tuple, Union
 
 _V = Union[Tuple[Text, Text], Text]
 
diff --git a/third_party/2and3/werkzeug/test.pyi b/third_party/2and3/werkzeug/test.pyi
index 4c2209179629..c8425b8ceacc 100644
--- a/third_party/2and3/werkzeug/test.pyi
+++ b/third_party/2and3/werkzeug/test.pyi
@@ -1,10 +1,8 @@
 import sys
+from _typeshed.wsgi import WSGIEnvironment
 from typing import Any, Generic, Optional, Text, Tuple, Type, TypeVar, overload
-
 from typing_extensions import Literal
 
-from _typeshed.wsgi import WSGIEnvironment
-
 if sys.version_info < (3,):
     from urllib2 import Request as U2Request
     from cookielib import CookieJar
diff --git a/third_party/2and3/werkzeug/wrappers.pyi b/third_party/2and3/werkzeug/wrappers.pyi
index 54256c8ba45c..5df032cf4d3f 100644
--- a/third_party/2and3/werkzeug/wrappers.pyi
+++ b/third_party/2and3/werkzeug/wrappers.pyi
@@ -1,4 +1,5 @@
 import sys
+from _typeshed.wsgi import InputStream, WSGIEnvironment
 from datetime import datetime
 from typing import (
     Any,
@@ -16,11 +17,8 @@ from typing import (
     Union,
     overload,
 )
-
 from typing_extensions import Literal
 
-from _typeshed.wsgi import InputStream, WSGIEnvironment
-
 from .datastructures import (
     Accept,
     Authorization,
diff --git a/third_party/2and3/werkzeug/wsgi.pyi b/third_party/2and3/werkzeug/wsgi.pyi
index c9623ed44c67..ea6bb85cd875 100644
--- a/third_party/2and3/werkzeug/wsgi.pyi
+++ b/third_party/2and3/werkzeug/wsgi.pyi
@@ -1,7 +1,6 @@
-from typing import Any, Iterable, Optional, Text
-
 from _typeshed import SupportsRead
 from _typeshed.wsgi import InputStream, WSGIEnvironment
+from typing import Any, Iterable, Optional, Text
 
 from .middleware.dispatcher import DispatcherMiddleware as DispatcherMiddleware
 from .middleware.http_proxy import ProxyMiddleware as ProxyMiddleware
diff --git a/third_party/2and3/yaml/cyaml.pyi b/third_party/2and3/yaml/cyaml.pyi
index edebf001095e..50f7af2f178c 100644
--- a/third_party/2and3/yaml/cyaml.pyi
+++ b/third_party/2and3/yaml/cyaml.pyi
@@ -1,6 +1,6 @@
+from _typeshed import SupportsRead
 from typing import IO, Any, Mapping, Optional, Sequence, Text, Union
 
-from _typeshed import SupportsRead
 from yaml.constructor import BaseConstructor, Constructor, SafeConstructor
 from yaml.representer import BaseRepresenter, Representer, SafeRepresenter
 from yaml.resolver import BaseResolver, Resolver
diff --git a/third_party/3/waitress/trigger.pyi b/third_party/3/waitress/trigger.pyi
index 6635c466c6c5..1638972ed160 100644
--- a/third_party/3/waitress/trigger.pyi
+++ b/third_party/3/waitress/trigger.pyi
@@ -2,7 +2,6 @@ import sys
 from socket import SocketType
 from threading import Lock
 from typing import Callable, Mapping, Optional
-
 from typing_extensions import Literal
 
 from . import wasyncore as wasyncore