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
1,819 Open 10,215 Closed
1,819 Open 10,215 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

BUG: read_excel nrows parameter reads extra rows when tables are adjacent (no blank row) Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61123 opened Mar 14, 2025 by robertutterback
3 tasks done
1
BUG: Series.interpolate regression in latest Pandas 3.0.0 nightly (method 'linear' behaves like 'index') Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61122 opened Mar 14, 2025 by theOehrly
2 of 3 tasks
BUG: .corr() values significantly higher than 1 Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61120 opened Mar 14, 2025 by krassowski
2 of 3 tasks
1
BUG: pivot_table drops rows and columns despite values being non-NaN Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61113 opened Mar 12, 2025 by it176131
3 tasks done
4
BUG: Can only compare identically-labeled Series objects (string vs. object) Bug Needs Discussion Requires discussion from core team before further action Strings String extension data type and string data
#61099 opened Mar 10, 2025 by wahsmail
3 tasks done
2.3
BUG: Collision between equivalent frequencies 'QS-FEB' and 'QS-NOV' Bug Datetime Datetime data dtype
#61086 opened Mar 8, 2025 by rwijtvliet
2 of 3 tasks
@ycdjun
3
BUG: str.fullmatch behavior is not the same for object dtype and string[pyarrow] dtype Arrow pyarrow functionality Bug Strings String extension data type and string data
#61072 opened Mar 7, 2025 by ptth222
3 tasks done
@Pedro-Santos04
1
BUG: Sorting fails in specific cases with pandas==2.1.1 Bug Needs Info Clarification about behavior needed to assess issue Sorting e.g. sort_index, sort_values
#61068 opened Mar 6, 2025 by nancy-pm
2 of 3 tasks
4
BUG: ValueError: ndarray is not C-contiguous for cummax on nullable dtypes Bug Groupby NA - MaskedArrays Related to pd.NA and nullable extension arrays Transformations e.g. cumsum, diff, rank
#61031 opened Mar 2, 2025 by MarcoGorelli
3 tasks done
@rhshadrach
3
BUG: Dependency check custom error loses information Bug Error Reporting Incorrect or improved errors from pandas
#61030 opened Mar 2, 2025 by Noratrieb
3 tasks done
1
@chilin0525
9
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: df.plot() multi-column subplots & title interaction Bug Visualization plotting
#61019 opened Feb 28, 2025 by eicchen02
3 tasks done
@eicchen02
3
BUG: df.plot() "Subplots" changes behavior of how values are stacked using the "Stacked" property Bug Visualization plotting
#61018 opened Feb 28, 2025 by eicchen02
3 tasks done
@eicchen02
3
BUG: scatter and line matplotlib plots not compatible for sharex=True datetime plots Bug Visualization plotting
#61005 opened Feb 25, 2025 by jonbanks87
3 tasks done
@Nivya-21
3
BUG: iloc with Series as indexer fails for __getitem__ but works with __setitem__ Bug Indexing Related to indexing on series/frames, not to indexes themselves
#60994 opened Feb 23, 2025 by luxedo
3 tasks done
1
@arthurlw
5
BUG: invalid result of reindex on columns after unstack with Period data Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#60980 opened Feb 21, 2025 by a-rvn
3 tasks done
1
@pedromfdiogo
8
BUG: df.astype converts to datetime64[ns] inconsistently with respect to dayfirst Bug datetime.date stdlib datetime.date support Deprecate Functionality to remove in pandas
#60964 opened Feb 19, 2025 by cgflex
3 tasks done
@Anurag-Varma
10
BUG: datetime64 can't be compared with pyarrow-backed variant Bug Datetime Datetime data dtype Numeric Operations Arithmetic, Comparison, and Logical operations
#60937 opened Feb 15, 2025 by MarcoGorelli
3 tasks done
@AshleySonny
3
BUG: Converting string of type lxml.etree._ElementUnicodeResult to a datetime using pandas.to_datetime results in a TypeError. Bug datetime.date stdlib datetime.date support Needs Discussion Requires discussion from core team before further action
#60933 opened Feb 14, 2025 by bentriom
3 tasks done
2
BUG: Index.drop_duplicates() is inconsistent for unhashable values Bug Error Reporting Incorrect or improved errors from pandas
#60925 opened Feb 13, 2025 by camriddell
2 of 3 tasks
3
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
BUG: Memory leak when creating a df inside a loop Bug Closing Candidate May be closeable, needs more eyeballs Constructors Series/DataFrame/Index/pd.array Constructors Performance Memory or execution speed performance Windows Windows OS
#60897 opened Feb 9, 2025 by Chuck321123
3 tasks done
17
BUG: Poor GroupBy Performance with ArrowDtype(...) wrapped types Arrow pyarrow functionality Bug Dtype Conversions Unexpected or buggy dtype conversions Needs Discussion Requires discussion from core team before further action
#60861 opened Feb 5, 2025 by kzvezdarov
3 tasks done
13
BUG: Unknown Error - Getting from Databricks SQL Python - From PyArrow module (pyarrow.lib.ArrowException) Arrow pyarrow functionality Bug IO SQL to_sql, read_sql, read_sql_query Needs Info Clarification about behavior needed to assess issue
#60838 opened Feb 3, 2025 by Gobi2511
2 of 3 tasks
4
ProTip! Follow long discussions with comments:>50.