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TYP: fix mypy ignored err in pandas/io/formats/format.py #37739

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Merged
merged 2 commits into from
Nov 10, 2020
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TYP: fix mypy ignored err in pandas/io/formats/format.py #37739

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TYP: fix mypy ignored err in pandas/io/formats/format.py
ivanovmg Nov 10, 2020
050d0da
REF: implement suggestion
ivanovmg Nov 10, 2020
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8 changes: 5 additions & 3 deletions pandas/io/formats/format.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1046,12 +1046,14 @@ def to_csv(
"""
from pandas.io.formats.csvs import CSVFormatter

created_buffer = path_or_buf is None
if created_buffer:
if path_or_buf is None:
created_buffer = True
path_or_buf = StringIO()
else:
created_buffer = False

csv_formatter = CSVFormatter(
path_or_buf=path_or_buf, # type: ignore[arg-type]
path_or_buf=path_or_buf,
line_terminator=line_terminator,
sep=sep,
encoding=encoding,
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