Skip to content

Issues: pandas-dev/pandas

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Clear current search query, filters, and sorts
186 Open 1,354 Closed
186 Open 1,354 Closed
Author
Filter by author
Loading
Label
Filter by label
Loading
Use alt + click/return to exclude labels
or ⇧ + click/return for logical OR
Projects
Filter by project
Loading
Milestones
Filter by milestone
Loading
Assignee
Filter by who’s assigned
Sort
Sort by
Newest Oldest Most commented Least commented Recently updated Least recently updated Best match
Most reactions
👍 👎 😄 🎉 😕 ❤️ 🚀 👀

Issues list

ENH: Implemented MultiIndex.searchsorted method ( GH14833) Enhancement MultiIndex
#61435 opened May 12, 2025 by GSAUC3 Loading…
5 tasks done
1
18
DOC: change tuples param for MultiIndex.from_tuples from sequence to iterable Docs MultiIndex Needs Discussion Requires discussion from core team before further action
#61357 opened Apr 25, 2025 by yangdanny97
1 task done
2
BUG: remove_unused_levels does not keep index levels order Bug MultiIndex Needs Discussion Requires discussion from core team before further action Sorting e.g. sort_index, sort_values
#61245 opened Apr 7, 2025 by mathman79
3 tasks done
2
BUG: series.reindex(mi) behaves different for series with Index and MultiIndex Bug Index Related to the Index class or subclasses MultiIndex
#60923 opened Feb 13, 2025 by ssche
3 tasks done
6
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
BUG: MultiIndex union/difference not commutative Bug Index Related to the Index class or subclasses Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate MultiIndex Needs Triage Issue that has not been reviewed by a pandas team member setops union, intersection, difference, symmetric_difference
#60642 opened Jan 2, 2025 by ssche
2 of 3 tasks
8
BUG: user defined function does not work with DataFrame.apply API - Consistency Internal Consistency of API/Behavior Bug MultiIndex Needs Discussion Requires discussion from core team before further action
#59908 opened Sep 27, 2024 by shobsi
3 tasks done
1
BUG: inconsistency when read_csv reads MultiIndex with empty values Bug IO CSV read_csv, to_csv MultiIndex
#59560 opened Aug 20, 2024 by ldouteau
2 of 3 tasks
1
@brandonmonge
3
BUG: read_excel multiindex head with holes Bug IO Excel read_excel, to_excel MultiIndex
#58898 opened Jun 2, 2024 by PL-SalvadorFandino
3 tasks done
1
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
BUG: Pandas column rename function now working for multilevel columns Bug MultiIndex Needs Triage Issue that has not been reviewed by a pandas team member
#55169 opened Sep 16, 2023 by DavidKingGH
2 of 3 tasks
2
6
ENH: initialising MultiIndex with a dtypes param Enhancement MultiIndex
#54523 opened Aug 13, 2023 by attack68
1 of 3 tasks
1
BUG: assert_frame_equals fails when MultiIndex elements are None Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate MultiIndex Testing pandas testing functions or related to the test suite
#54521 opened Aug 13, 2023 by attack68
2 of 3 tasks
3
BUG: pd.MultiIndex is not able to display an index containing a particular tuple of string Bug MultiIndex Output-Formatting __repr__ of pandas objects, to_string
#54314 opened Jul 30, 2023 by DSLituiev
2 of 3 tasks
1
BUG: MultiIndex.append now drops names if not the same Index Related to the Index class or subclasses MultiIndex
#54303 opened Jul 29, 2023 by attack68
2 of 3 tasks
5
BUG: in a level of MultiIndex tz info is lost from labels that represent the same timestamp Bug MultiIndex Timezones Timezone data dtype
#54194 opened Jul 19, 2023 by maread99
2 of 3 tasks
2
DOC: Discuss MultiIndex in Indexing and selecting data section Docs Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
#54040 opened Jul 7, 2023 by mcp292
1 task done
1
BUG: loc-based slicing on multiindex only sometimes respects order of level indexers Bug Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
#54019 opened Jul 6, 2023 by wence-
3 tasks done
BUG: Bug Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex Needs Discussion Requires discussion from core team before further action Nested Data Data where the values are collections (lists, sets, dicts, objects, etc.).
#54013 opened Jul 5, 2023 by mcp292
3 tasks done
1
BUG: MultiIndex label lookup with empty list indexers inconsistent wrt placement of indexer Bug Error Reporting Incorrect or improved errors from pandas Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
#54009 opened Jul 5, 2023 by wence-
3 tasks done
1
BUG: partial indexing a multiindex with repeated keys isn't consistent with desugared version Bug Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
#53995 opened Jul 4, 2023 by wence-
3 tasks done
1
BUG: fillna specify duplicated column that is MultiIndex causes RecursionError Bug Error Reporting Incorrect or improved errors from pandas Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate MultiIndex
#53498 opened Jun 2, 2023 by yuji38kwmt
2 of 3 tasks
1
BUG: slicing DatetimeIndex with unused and unordered levels gives incorrect results Bug Datetime Datetime data dtype Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
#53114 opened May 5, 2023 by phofl
3 tasks done
1
BUG: DataFrame.loc with MultiIndex, unexpected increase of memory Bug Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex Performance Memory or execution speed performance
#52714 opened Apr 18, 2023 by trendelkampschroer
2 of 3 tasks
7
BUG: MultiIndex.sortlevel not working after dynamic index construction Bug MultiIndex
#52683 opened Apr 15, 2023 by attack68
2 of 3 tasks
4
ProTip! Follow long discussions with comments:>50.