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Issues: pandas-dev/pandas

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238 Open 2,965 Closed
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Issues list

BUG: Confusing Behavior When Assigning DataFrame Columns Using omegaconf.ListConfig Bug Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#61439 opened May 14, 2025 by Trezorro
2 of 3 tasks
2
BUG: Some ExtensionArrays can return 0-d Elements Bug ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#61433 opened May 12, 2025 by ilan-gold
2 of 3 tasks
4
BUG: 'ArrowExtensionArray' object has no attribute 'max' when passing pyarrow-backed series to .iloc Arrow pyarrow functionality Bug Indexing Related to indexing on series/frames, not to indexes themselves
#61311 opened Apr 19, 2025 by MarcoGorelli
3 tasks done
1
BUG: setting item to iterable with .at fails when column doesn't exist or has wrong dtype Bug Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#61223 opened Apr 3, 2025 by jbogar
2 of 3 tasks
6
BUG: Boolean selection edge case. Bug Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#61191 opened Mar 27, 2025 by ptth222
2 of 3 tasks
2
ENH: Reimplement DataFrame.lookup Enhancement Indexing Related to indexing on series/frames, not to indexes themselves Stale
#61185 opened Mar 26, 2025 by stevenae Loading…
5 tasks done
1
34
BUG: Fix return type of loc/iloc Bug Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves
#61054 opened Mar 4, 2025 by sanggon6107 Loading…
3 of 5 tasks
1
17
BUG: setting column with 2D object array raises Bug Indexing Related to indexing on series/frames, not to indexes themselves
#61026 opened Mar 1, 2025 by tonyyuyiding
2 tasks done
1
@tonyyuyiding
8
BUG: ValueError: Length of values (5) does not match length of index (4) when subtracting two series with MultIndex and Index and nan values Bug Indexing Related to indexing on series/frames, not to indexes themselves Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate MultiIndex
#60908 opened Feb 11, 2025 by ssche
3 tasks done
1
@rit4rosa
4
DOC: Comparing .loc/.iloc to tuples and chained indexing Docs Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#60632 opened Dec 31, 2024 by joansigh
1 task done
3
BUG: loc[] returns object type instead of float Bug Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves
#60600 opened Dec 23, 2024 by metazoic
3 tasks done
1
@parthi-siva @sanggon6107 @DarthKitten2130
13
BUG: assignment fails with copy_on_write = True Indexing Related to indexing on series/frames, not to indexes themselves Regression Functionality that used to work in a prior pandas version
#60309 opened Nov 14, 2024 by kameamea
2 of 3 tasks
2.3
1
@chilin0525 @sooooooing
7
ERR: consistent error messages for unsupported setitem values API - Consistency Internal Consistency of API/Behavior Error Reporting Incorrect or improved errors from pandas Indexing Related to indexing on series/frames, not to indexes themselves
#60218 opened Nov 6, 2024 by jorisvandenbossche
4
BUG: Unknown slicing behavior for Multiindexing when passing through str for int Bug Indexing Related to indexing on series/frames, not to indexes themselves
#60104 opened Oct 24, 2024 by renkeven
2 of 3 tasks
@AshmitGupta @myenugula
4
BUG: cannot filter an empty DataFrame by a non-numeric condition Bug Closing Candidate May be closeable, needs more eyeballs Indexing Related to indexing on series/frames, not to indexes themselves
#59922 opened Sep 29, 2024 by sam-s
2 of 3 tasks
7
BUG: DataFrame.xs multi-index drop_level=False has no effect when level= is left at default Bug Indexing Related to indexing on series/frames, not to indexes themselves
#59098 opened Jun 25, 2024 by gwerbin
2 of 3 tasks
1
@ssf0409
3
BUG: Column of dtype Categorical in DataFrame encounters error when taking a row that includes nan in the column Bug Categorical Categorical Data Type Indexing Related to indexing on series/frames, not to indexes themselves
#58954 opened Jun 7, 2024 by cinntamani
2 of 3 tasks
5
BUG: DataFrameGroupBy.__getitem__ fails with tuples on multi-level column objects API - Consistency Internal Consistency of API/Behavior Bug Groupby Indexing Related to indexing on series/frames, not to indexes themselves
#58282 opened Apr 16, 2024 by tehunter
3 tasks done
1
BUG: Incorrect behaviour when using loc on a resampled time index dataframe Bug Frequency DateOffsets Indexing Related to indexing on series/frames, not to indexes themselves
#58255 opened Apr 14, 2024 by jose-moran
3 tasks done
@tuhinsharma121
4
ENH: Add split method to DataFrame for flexible row-based partitioning Enhancement Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#57934 opened Mar 20, 2024 by gclopton
1 of 3 tasks
3
BUG: Setting a numpy array as a column in Pandas uses only the first column of the array. Bug Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#57765 opened Mar 7, 2024 by kgourgou
2 of 3 tasks
5
BUG: .loc operation cannot locate existing index when having single string as index for dataframe ('string',) Bug Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#57750 opened Mar 6, 2024 by carlonlv
2 of 3 tasks
4
BUG: Incompatible dype warning when assigning boolean series with logical indexer Bug Indexing Related to indexing on series/frames, not to indexes themselves PDEP6-related related to PDEP6 (not upcasting during setitem-like Series operations)
#57338 opened Feb 10, 2024 by m0nzderr
3 tasks done
3.0
1
3
BUG: Assignment of pyarrow arrays yields unexpected dtypes Arrow pyarrow functionality Bug Indexing Related to indexing on series/frames, not to indexes themselves pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result
#56994 opened Jan 21, 2024 by WillAyd
3 tasks done
1
@droussea2001
21
BUG: Insert then delete column into MultiIndex with timestamps leads to RecursionError Bug Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
#56853 opened Jan 12, 2024 by traubms
2 of 3 tasks
1
1
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