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3,601 Open 23,565 Closed
3,601 Open 23,565 Closed
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Issues list

BUG: Unknown Error - Getting from Databricks SQL Python - From PyArrow module (pyarrow.lib.ArrowException) Bug Needs Triage Issue that has not been reviewed by a pandas team member
#60838 opened Feb 3, 2025 by Gobi2511
2 of 3 tasks
BUG: .str.contains() regex lookbehind and lookahead fail for data type string[pyarrow] Arrow pyarrow functionality Bug Needs Triage Issue that has not been reviewed by a pandas team member
#60833 opened Feb 3, 2025 by noahblakesmith
3 tasks done
BUG: pd.Series.groupby issues FutureWarning Bug Needs Triage Issue that has not been reviewed by a pandas team member
#60831 opened Feb 2, 2025 by TiborVoelcker
2 of 3 tasks
BUG: pd.HDFStore(file, mode='a') increases file size unnecessarily when file exists and dataframe contains string-based columns Bug IO HDF5 read_hdf, HDFStore
#60823 opened Feb 1, 2025 by brianjzhang
2 of 3 tasks
1
ENH: show the raw unicode in the output formatting of Index/array? Output-Formatting __repr__ of pandas objects, to_string Unicode Unicode strings
#60819 opened Jan 30, 2025 by jorisvandenbossche
4
BUG: Union of two DateTimeIndexes is incorrectly calculated Bug Needs Discussion Requires discussion from core team before further action Non-Nano datetime64/timedelta64 with non-nanosecond resolution Regression Functionality that used to work in a prior pandas version
#60816 opened Jan 29, 2025 by filmor
2 of 3 tasks
2.3
5
DOC: Missing documentation for Styler.columns and Styler.index Docs Needs Triage Issue that has not been reviewed by a pandas team member
#60815 opened Jan 29, 2025 by Dr-Irv
1 task done
ENH: Implement skiptrailingspace parameter for read_csv Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#60813 opened Jan 29, 2025 by PythonDev803
1 of 3 tasks
2
Next Pandas Release Question
#60812 opened Jan 28, 2025 by antonstor
1
BUG: Inconsistent dtype with GroupBy for StrDtype and all missing values Bug Groupby Strings String extension data type and string data
#60810 opened Jan 28, 2025 by WillAyd
3 tasks done
BUG: IndexError in _process_columnname_subheader() when using read_sas() Bug IO SAS SAS: read_sas
#60809 opened Jan 28, 2025 by andrdom
3 tasks done
2
DOC: Specify what "non-null" means in DataFrame.info() Docs Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#60802 opened Jan 27, 2025 by jxu
1 task done
1
ENH: Add a ratio() Method for Series and dataframes. Alternatively, consider removing similar methods at this functionality level (e.g. diff() and pct_change()) Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#60801 opened Jan 27, 2025 by DrorDr
2 of 3 tasks
BUG: Cannot connect to odoo Bug Closing Candidate May be closeable, needs more eyeballs Needs Info Clarification about behavior needed to assess issue
#60800 opened Jan 27, 2025 by pramudya666
3 tasks done
5
ENH: generic save and read methods for DataFrame Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#60786 opened Jan 25, 2025 by zkurtz
1 of 3 tasks
2
BUG: datetime64 column type fails parquet round trip Bug Datetime Datetime data dtype IO Parquet parquet, feather
#60774 opened Jan 23, 2025 by bmwilly
2 of 3 tasks
3
BUG: crosstab(aggfunc='skew') raises IndexError: single positional indexer is out-of-bounds Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#60768 opened Jan 23, 2025 by sfc-gh-mvashishtha
2 of 3 tasks
1
BUG: pd.crosstab(dropna=True, values=) drops rows and columns where any aggregation result is null. Bug Needs Discussion Requires discussion from core team before further action Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#60767 opened Jan 22, 2025 by sfc-gh-mvashishtha
2 of 3 tasks
1
BUG: .map & .apply would convert element type for extension array. Apply Apply, Aggregate, Transform, Map Bug NA - MaskedArrays Related to pd.NA and nullable extension arrays
#60766 opened Jan 22, 2025 by colinfang
2 of 3 tasks
2
BUG: pd.Series.isnumeric() doesn't work on decimal value strings Docs good first issue Strings String extension data type and string data
#60750 opened Jan 21, 2025 by sf-dcp
3 tasks done
@akj2018
13
DOC: Reinstate the JupyterLite-based live shell for the pandas website Enhancement Web pandas website
#60747 opened Jan 21, 2025 by agriyakhetarpal
1
2
BUG: stack with future_stack=True and empty list Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#60740 opened Jan 20, 2025 by behrenhoff
2 of 3 tasks
1
@megha-66
3
BUG: The .to_sql() of dtype argument does not strictly ensure the column name and datatype Bug Closing Candidate May be closeable, needs more eyeballs IO SQL to_sql, read_sql, read_sql_query
#60737 opened Jan 20, 2025 by ammarsaf
3 tasks done
1
BUG: Series.mask incorrectly replaces positions of pd.NA in the cond argument Arrow pyarrow functionality Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate NA - MaskedArrays Related to pd.NA and nullable extension arrays
#60729 opened Jan 18, 2025 by kartoria
3 tasks done
1
@sanggon6107
4
BUG: pd.Series fails to cast datetime series containing only NaT to timedelta type Bug Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions
#60728 opened Jan 17, 2025 by Casper-Guo
3 tasks done
5
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