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3,458 Open 17,476 Closed
3,458 Open 17,476 Closed
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DOC: description for Series.empty is referencing DataFrames instead of Series Docs Series
#42697 opened Jul 24, 2021 by buckyster
3
BUG: value_counts and nunique behave differently for NaN and None with dropna=False Bug Needs Triage
#42688 opened Jul 23, 2021 by knoam
2 of 3 tasks
ENH: Performance optimization for pd.merge introducing fillna= argument Enhancement Needs Triage
#42683 opened Jul 23, 2021 by anatolix
BUG: pd.concat coerces ints to floats if empty DataFrame is present with different columns Bug Needs Triage
#42682 opened Jul 23, 2021 by XyLearningProgramming
1 task
TST: Fix doctest in _parse_latex_table_styles Docs Testing good first issue
#42674 opened Jul 22, 2021 by datapythonista
@Leonardofreua
4
TST: Fix doctest in _parse_latex_header_span Docs Testing good first issue
#42673 opened Jul 22, 2021 by datapythonista
1
@aneesh98
5
TST: Fix doctest in Styler.to_latex Docs Testing good first issue
#42672 opened Jul 22, 2021 by datapythonista
1
TST: Fix doctest in EngFormatter Docs Testing good first issue
#42671 opened Jul 22, 2021 by datapythonista
@KrishnaSai2020
1
TST: Fix doctest in read_stata Docs Testing good first issue
#42670 opened Jul 22, 2021 by datapythonista
1
@KrishnaSai2020
1
BUG: DataFrame.to_parquet doesn't round-trip pyarrow StringDtype Bug IO Parquet Strings
#42664 opened Jul 22, 2021 by TomAugspurger
2 of 3 tasks
1
ENH: read_cvs() optional parameter append_line_numbers Enhancement Needs Triage
#42663 opened Jul 22, 2021 by sgsokol
BUG:dataframe.groupby('some_column').timedelta.sum() results wrong when timedelta contains NaT Bug Groupby Needs Info
#42659 opened Jul 22, 2021 by minientertainment
1 task
1
BUG: pd.concat breaks pickle on non-unique multiindex Bug MultiIndex Reshaping
#42651 opened Jul 21, 2021 by raphaelquast
2 of 3 tasks
1
ENH: Have DataFrame.to_sql() return the created Table object Enhancement Needs Triage
#42645 opened Jul 21, 2021 by multimeric
BUG: Dividing Int64 and float64 results in a mix of null-types Bug NA - MaskedArrays
#42630 opened Jul 20, 2021 by tobiasbrodd
2 of 3 tasks
Contributions Welcome
1
pandas.DataFrame.pivot_table cannot generate a correct Pivot Table for financial data of General Ledger. Needs Info Reshaping
#42629 opened Jul 20, 2021 by zefuirusu
5
BUG: Cannot calculate quantiles from Int64Dtype Series when results are floats Bug ExtensionArray Regression quantile
#42626 opened Jul 20, 2021 by tamargrey
2 of 3 tasks
1.3.2
2
BUG: to_datetime()'s origin does not use unit specified in the parameter Bug Needs Triage
#42624 opened Jul 20, 2021 by ytchanglp
2 of 3 tasks
BUG: DataFrameGroupBy.transform unnecessarily coerces dtype Apply Bug Dtypes Groupby
#42617 opened Jul 19, 2021 by rhshadrach Contributions Welcome
2
PyArrow StringDtype / StringArray fallback policy API Design Needs Discussion Strings
#42613 opened Jul 19, 2021 by TomAugspurger
2
ENH: Keeping a GroupBy object after filtering Apply Enhancement Groupby Needs Triage
#42609 opened Jul 19, 2021 by G-Guillard
3
BUG: applying value_counts to a column of a grouped dataframe results in inconsistent output types Bug Needs Triage
#42608 opened Jul 19, 2021 by HaydenSansum
2 of 3 tasks
BUG: to_datetime very slow with unsigned ints for unix seconds Bug Needs Triage Performance
#42606 opened Jul 19, 2021 by cdeil
1 of 3 tasks
6
TYP: Improve typing on pandas.core.algorithms.duplicated() Typing
#42604 opened Jul 19, 2021 by Dr-Irv
1
BUG: Pandas loc can result in ambiguous result not caught by an exception Bug Needs Triage
#42603 opened Jul 19, 2021 by komodovaran
2 of 3 tasks
3
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