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Pull requests: pandas-dev/pandas
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[BUG] Validate dtype when Int64Index, UInt64Index, or Float64Index are cons… Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions Error Reporting Incorrect or improved errors from pandas
API: Series(floaty, dtype=inty) API Design Constructors Series/DataFrame/Index/pd.array Constructors
BUG: Fix Series(List[Interval]) to infer interval dtype Bug Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions Interval Interval data type
Improve error message for DataFrame.from_dict when wrong orient is provided Constructors Series/DataFrame/Index/pd.array Constructors Error Reporting Incorrect or improved errors from pandas
TST: add test for getting array from series Constructors Series/DataFrame/Index/pd.array Constructors Testing pandas testing functions or related to the test suite Upstream issue Issue related to pandas dependency
DEPR: allowing subclass-specific keywords in pd.Index.__new__ Constructors Series/DataFrame/Index/pd.array Constructors Deprecate Functionality to remove in pandas
BUG: Avoid casting Int to object in Categorical.from_codes Categorical Categorical Data Type Constructors Series/DataFrame/Index/pd.array Constructors
REF: make DatetimeIndex._simple_new actually simple Constructors Series/DataFrame/Index/pd.array Constructors Refactor Internal refactoring of code
REF: Simplify Index.copy Constructors Series/DataFrame/Index/pd.array Constructors Index Related to the Index class or subclasses
API: Disallow sets as index and columns argument in DataFrame constructor Constructors Series/DataFrame/Index/pd.array Constructors Stale Typing type annotations, mypy/pyright type checking
BUG: Raise ValueError instead of bare Exception in sanitize_array Constructors Series/DataFrame/Index/pd.array Constructors Error Reporting Incorrect or improved errors from pandas Series Series data structure
TYP: internals.construction Constructors Series/DataFrame/Index/pd.array Constructors Typing type annotations, mypy/pyright type checking
Added try-except clause to catch numpy error. Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
#27970 by dustanlevenstein was closed Oct 3, 2019 Loading…
1 of 5 tasks
BUG: DataFrame(dict_of_series) raising depending on order of dict Constructors Series/DataFrame/Index/pd.array Constructors Reshaping Concat, Merge/Join, Stack/Unstack, Explode
[ArrayManager] DataFrame constructor from ndarray Constructors Series/DataFrame/Index/pd.array Constructors Internals Related to non-user accessible pandas implementation Refactor Internal refactoring of code
TST: Add test to verify DataFrame's constructor doesn't convert Nones to strings on string columns Constructors Series/DataFrame/Index/pd.array Constructors Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Testing pandas testing functions or related to the test suite
#40912 by cgarciae was closed Sep 1, 2021 Loading…
3 tasks done
Construction of series with na and datetime dtype Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions Index Related to the Index class or subclasses
#46068 by weikhor was closed Mar 14, 2022 Loading…
4 tasks
Better support for UserDict on constructor Constructors Series/DataFrame/Index/pd.array Constructors Stale
#55109 by gabrielcnr was closed Nov 7, 2023 Loading…
4 of 5 tasks
API: Series/DataFrame from empty dict should have RangeIndex Constructors Series/DataFrame/Index/pd.array Constructors
API: Series and DataFrame constructors to return shallow copy (i.e. don't share index) from another Series/DataFrame API Design Constructors Series/DataFrame/Index/pd.array Constructors
Bug Fix: #60343 Construction of Series / Index fails from dict keys when "str" dtype is specified explicitly Constructors Series/DataFrame/Index/pd.array Constructors Strings String extension data type and string data
29213: Dataframe Constructor from List of List and non-iterables Constructors Series/DataFrame/Index/pd.array Constructors DataFrame DataFrame data structure
#29366 by matttan90 was closed Feb 2, 2020 Loading…
4 tasks done
PERF/REGR: revert #41785 Constructors Series/DataFrame/Index/pd.array Constructors Performance Memory or execution speed performance
DataFrame.convert_dtypes doesn't preserve subclasses Compat pandas objects compatability with Numpy or Python functions Constructors Series/DataFrame/Index/pd.array Constructors Subclassing Subclassing pandas objects
ProTip! Updated in the last three days: updated:>2025-11-27.