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Issues list

TST: Testing for mixed int/str Index Index Related to the Index class or subclasses Testing pandas testing functions or related to the test suite
#61349 opened Apr 24, 2025 by xaris96 Loading…
4 of 5 tasks
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
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
BUG: set_index with pyarrow timestamp type does not produce DatetimeIndex Arrow pyarrow functionality Bug Datetime Datetime data dtype Index Related to the Index class or subclasses
#60561 opened Dec 13, 2024 by WillAyd
3 tasks done
BUG/API: preserve dtype in Index append() Dtype Conversions Unexpected or buggy dtype conversions Index Related to the Index class or subclasses Strings String extension data type and string data
#60159 opened Oct 31, 2024 by jorisvandenbossche 3.0
BUG: when using id_vars in .melt(), the id_vars does not recognize the column name in a multiIndex dataframe Bug Index Related to the Index class or subclasses Needs Discussion Requires discussion from core team before further action Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#60018 opened Oct 11, 2024 by ivan-marroquin
3 tasks done
BUG: is_unique fails when using float128 indexes, since pandas 2.0 Bug Index Related to the Index class or subclasses Needs Discussion Requires discussion from core team before further action
#59826 opened Sep 17, 2024 by morotti
2 of 3 tasks
API: handling of missing values in Index.__contains__ API - Consistency Internal Consistency of API/Behavior Index Related to the Index class or subclasses Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#59765 opened Sep 9, 2024 by jorisvandenbossche 4.0
BUG: Index.difference is returning too many values Bug Index Related to the Index class or subclasses Regression Functionality that used to work in a prior pandas version setops union, intersection, difference, symmetric_difference
#58971 opened Jun 10, 2024 by michaelpradel
3 tasks done
2.3
BUG: .loc with DateTimeIndex allows day first string for stop in slice, but not start Bug Index Related to the Index class or subclasses
#58302 opened Apr 18, 2024 by WillAyd
3 tasks done
BUG: MultiIndex.factorize fails if index is 0-length Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Index Related to the Index class or subclasses
#57517 opened Feb 20, 2024 by batterseapower
2 of 3 tasks
API: Change assert_index_equal(exact=) default from "equiv" to True API Design Index Related to the Index class or subclasses Testing pandas testing functions or related to the test suite
#57436 opened Feb 15, 2024 by mroeschke
BUG: pandas 2.2.0 DataFrame.groupby regression when group labels of type pd.Timestamp Bug Index Related to the Index class or subclasses Regression Functionality that used to work in a prior pandas version Timezones Timezone data dtype
#57192 opened Feb 1, 2024 by maread99
2 of 3 tasks
2.3
BUG: Index.join preserving names incorrectly from pandas-2.x Bug Index Related to the Index class or subclasses Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#57065 opened Jan 25, 2024 by galipremsagar
2 of 3 tasks
API: dt64 resolution for PeriodIndex.to_timestamp API - Consistency Internal Consistency of API/Behavior Index Related to the Index class or subclasses Period Period data type Timestamp pd.Timestamp and associated methods
#56164 opened Nov 25, 2023 by jbrockmendel
BUG: DatetimeIndex.equals returns false if units mismatch Bug Index Related to the Index class or subclasses
#55694 opened Oct 26, 2023 by batterseapower
2 of 3 tasks
BUG(?) Index.__getitem__ with 0D numpy array raises AssertionError Index Related to the Index class or subclasses Indexing Related to indexing on series/frames, not to indexes themselves
#55601 opened Oct 19, 2023 by mroeschke
DEPR: DatetimeIndex/TimedeltaIndex constructor keywords API Design Datetime Datetime data dtype Deprecate Functionality to remove in pandas Index Related to the Index class or subclasses
#55499 opened Oct 12, 2023 by jbrockmendel
BUG/TST: can_use_libjoin exclude CategoricalDtype? Bug Categorical Categorical Data Type Index Related to the Index class or subclasses Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#55335 opened Sep 30, 2023 by jbrockmendel
BUG: Index.join different sorting behavior in libjoin faspath Bug Index Related to the Index class or subclasses Internals Related to non-user accessible pandas implementation Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#54646 opened Aug 20, 2023 by jbrockmendel
BUG: TimedeltaIndex.__rfloordiv__ triggers ZeroDivisionError when other is a list but works for scalar Bug Index Related to the Index class or subclasses Numeric Operations Arithmetic, Comparison, and Logical operations Timedelta Timedelta data type
#54554 opened Aug 15, 2023 by twoertwein
2 of 3 tasks
BUG (regression): Enum (and subclasses) no longer acceptable parameter type for columns Bug Index Related to the Index class or subclasses Regression Functionality that used to work in a prior pandas version
#54386 opened Aug 3, 2023 by posita
2 of 3 tasks
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
TST: mixed_int_string Index Index Related to the Index class or subclasses Testing pandas testing functions or related to the test suite
#54072 opened Jul 10, 2023 by jbrockmendel
DOC: Is the behaviour of setitem with repeated keys defined? Docs Index Related to the Index class or subclasses
#53996 opened Jul 4, 2023 by wence-
1 task done
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