8000 BUG: Fix wrong column selection in drop_duplicates when duplicate column names by Licht-T · Pull Request #17879 · pandas-dev/pandas · GitHub
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BUG: Fix wrong column selection in drop_duplicates when duplicate column names #17879

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Merged
merged 3 commits into from
Oct 16, 2017
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BUG: Fix wrong column selection in drop_duplicates when duplicate column names #17879

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BUG: Fix wrong column selection in drop_duplicates when duplicate col…
Licht-T Oct 15, 2017
41dc08f
TST: Add test of drop_duplicates with duplicate column names
Licht-T Oct 15, 2017
30c7e1b
DOC: Add whatsnew note for fixing the bug of drop_duplicates
Licht-T Oct 15, 2017
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DOC: Add whatsnew note for fixing the bug of drop_duplicates
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Licht-T committed Oct 15, 2017
commit 30c7e1b0bf8d651ef47bf5ce7c17db2f3b76452a
1 change: 1 addition & 0 deletions doc/source/whatsnew/v0.21.0.txt
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Expand Up @@ -1006,6 +1006,7 @@ Reshaping
- Bug in :func:`concat` where order of result index was unpredictable if it contained non-comparable elements (:issue:`17344`)
- Fixes regression when sorting by multiple columns on a ``datetime64`` dtype ``Series`` with ``NaT`` values (:issue:`16836`)
- Bug in :func:`pivot_table` where the result's columns did not preserve the categorical dtype of ``columns`` when ``dropna`` was ``False`` (:issue:`17842`)
- Bug in ``DataFrame.drop_duplicates`` where dropping with non-unique column names raised a ``ValueError`` (:issue:`17836`)

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