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DEP: Enforce deprecation of mangle_dupe_cols #49977

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Merged
merged 1 commit into from
Nov 30, 2022
Merged

DEP: Enforce deprecation of mangle_dupe_cols #49977

merged 1 commit into from
Nov 30, 2022
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phofl
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@phofl phofl commented Nov 30, 2022

@phofl phofl added this to the 2.0 milestone Nov 30, 2022
@phofl phofl added IO CSV read_csv, to_csv Deprecate Functionality to remove in pandas labels Nov 30, 2022
jbrockmendel
jbrockmendel approved these changes Nov 30, 2022
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LGTM pending green

@mroeschke mroeschke merged commit 4d9145f into pandas-dev:main Nov 30, 2022
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Thanks @phofl

@phofl phofl deleted the mangle_dupe_cols branch December 10, 2022 20:00
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shaoran commented Mar 13, 2025

The pull request says

Deprecating mangle_dupe_cols, which was never implemented, and will be replaced by a new standard argument to allow change the format of the renamed columns.

Which is the new standard argument for this? In https://pandas.pydata.org/docs/reference/api/pandas.read_csv.html I cannot find any option for dealing with duplicate column names in pd.read_csv

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@jbrockmendel jbrockmendel jbrockmendel approved these changes

@mroeschke mroeschke mroeschke approved these changes

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