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Issues list

BUG: memory issues with string[pyarrow] after sorted pd.merge Arrow pyarrow functionality Bug Closing Candidate May be closeable, needs more eyeballs Upstream issue Issue related to pandas dependency
#61322 opened Apr 20, 2025 by noahblakesmith
3 tasks done
@arjuanwall @phiofuni
@bingbhakdibhumi @eenkhbol
5
BUG: .to_parquet fails with schema for string[pyarrow] but not string[python] Arrow pyarrow functionality Bug Closing Candidate May be closeable, needs more eyeballs Upstream issue Issue related to pandas dependency
#61316 opened Apr 20, 2025 by noahblakesmith
3 tasks done
1
BUG: datetime64 column type fails parquet round trip Bug Datetime Datetime data dtype IO Parquet parquet, feather Needs Discussion Requires discussion from core team before further action Upstream issue Issue related to pandas dependency
#60774 opened Jan 23, 2025 by bmwilly
2 of 3 tasks
7
BUG: Pandas resets counter when using filterwarning "once" Bug Closing Candidate May be closeable, needs more eyeballs Upstream issue Issue related to pandas dependency
#60664 opened Jan 6, 2025 by StrawberryOwl
2 of 3 tasks
5
BUG: multi-index on columns with bool level values does not roundtrip through parquet Bug IO Parquet parquet, feather Upstream issue Issue related to pandas dependency
#60508 opened Dec 6, 2024 by zpincus
3 tasks done
1
@sunlight798
4
BUILD: pandas fails to install with python-freethreading 3.13.0 final release Build Library building on various platforms Upstream issue Issue related to pandas dependency Usage Question
#60016 opened Oct 10, 2024 by djakubiec
1 task done
2
BUG: pyarrow dtype_backend incorrectly loads columns (from parquet) when the data stored is a list of structs and one of the struct fields has only None/null values Arrow pyarrow functionality Bug IO Parquet parquet, feather Upstream issue Issue related to pandas dependency
#58867 opened May 30, 2024 by kbuma
2 of 3 tasks
@Angel-212
6
BUG: np.where called with ps.Series returns np.array instead of pd.Series Bug Upstream issue Issue related to pandas dependency
#58329 opened Apr 19, 2024 by domsmrz
3 tasks done
@AkisPanagiotopoulos
5
BUG: pyarrow dictionary type ordered argument not respected Arrow pyarrow functionality Bug pyarrow dtype retention op with pyarrow dtype -> expect pyarrow result Upstream issue Issue related to pandas dependency
#58152 opened Apr 4, 2024 by WillAyd
3 tasks done
2
BUG: pyarrow.Array.from_pandas converts empty timestamp[s][pyarrow, UTC] pandas Series to ChunkedArray, not TimestampArray Arrow pyarrow functionality Bug Timezones Timezone data dtype Upstream issue Issue related to pandas dependency
#57840 opened Mar 14, 2024 by Wainberg
3 tasks done
1
BUG: Selecting columns from a DataFrame affects display of warnings Bug Upstream issue Issue related to pandas dependency Warnings Warnings that appear or should be added to pandas
#57054 opened Jan 24, 2024 by EBurtonRod
2 of 3 tasks
2
BUG: read_csv with pyarrow engine treats newlines in quotes as newline when they should be ignored Arrow pyarrow functionality Bug IO CSV read_csv, to_csv Upstream issue Issue related to pandas dependency
#56396 opened Dec 8, 2023 by greerreNFL
2 of 3 tasks
3
BUG: Pyarrow backend fails to export index with timezone ArrowInvalid exception Arrow pyarrow functionality Bug Timezones Timezone data dtype Upstream issue Issue related to pandas dependency
#56282 opened Dec 1, 2023 by mattharrison
2 of 3 tasks
3
BUG: Incorrect stack traceback when try except finally is used in jupyter notebooks. Bug Upstream issue Issue related to pandas dependency
#56279 opened Dec 1, 2023 by dvorst
3 tasks done
2
BUG: pd.api.types.is_scalar reports True for Troch tensors Bug Needs Discussion Requires discussion from core team before further action Upstream issue Issue related to pandas dependency
#52701 opened Apr 17, 2023 by shwina
2 of 3 tasks
4
BUG: Result datatype is object when concatting decimals of different scales with pyarrow backend. Arrow pyarrow functionality Bug Dtype Conversions Unexpected or buggy dtype conversions Upstream issue Issue related to pandas dependency
#51959 opened Mar 14, 2023 by rohanjain101
3 tasks done
7
BUG: converting a string[pyarrow] column to category triggers an error in to_parquet Arrow pyarrow functionality Bug Upstream issue Issue related to pandas dependency
#51752 opened Mar 3, 2023 by j-bennet
3 tasks done
6
BUG: clipboard does not work on wayland Bug IO Data IO issues that don't fit into a more specific label Upstream issue Issue related to pandas dependency
#51744 opened Mar 2, 2023 by jcorbin
3 tasks done
2
BUG: to-markdown with NA Upstream issue Issue related to pandas dependency
#50866 opened Jan 19, 2023 by buhtz
2 of 3 tasks
6
BUG: Index.get_indexer with mixed-reso datetime64s Bug Indexing Related to indexing on series/frames, not to indexes themselves Non-Nano datetime64/timedelta64 with non-nanosecond resolution Upstream issue Issue related to pandas dependency
#50690 opened Jan 12, 2023 by jbrockmendel
9
Int64 numbers from Pandas DataFrame.to_markdown() incorrectly displayed Upstream issue Issue related to pandas dependency
#49465 opened Nov 2, 2022 by jbencina
6
BUG: Weird Behavior of astype(bool) for np.nan Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Upstream issue Issue related to pandas dependency
#48052 opened Aug 12, 2022 by redreamality
2 of 3 tasks
1
BUG: Series inconsistent with overflow errors in Timedelta calcs Bug Error Reporting Incorrect or improved errors from pandas Numeric Operations Arithmetic, Comparison, and Logical operations Timedelta Timedelta data type Upstream issue Issue related to pandas dependency
#43178 opened Aug 23, 2021 by venaturum
2 of 3 tasks
4
ENH: confusing name for 'copy' argument in to_numpy() method Docs Enhancement Upstream issue Issue related to pandas dependency
#43165 opened Aug 22, 2021 by Abdelgha-4
5
BUG: Broken bool supports in pandas' quantile by NumPy's percentile behaviour change Bug quantile quantile method Upstream issue Issue related to pandas dependency
#41792 opened Jun 3, 2021 by HyukjinKwon
2 of 3 tasks
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