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Pull requests: pandas-dev/pandas
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BUG: Fix astype from float32 to string Bug Output-Formatting __repr__ of pandas objects, to_string Regression Functionality that used to work in a prior pandas version Strings String extension data type and string data
REGR: Series access with Index of tuples/frozenset Indexing Related to indexing on series/frames, not to indexes themselves Regression Functionality that used to work in a prior pandas version Series Series data structure
REGR: Fix interpolation on empty dataframe Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Regression Functionality that used to work in a prior pandas version
REGR: setting column with setitem should not modify existing array inplace Indexing Related to indexing on series/frames, not to indexes themselves Regression Functionality that used to work in a prior pandas version
Change check_freq default to False Regression Functionality that used to work in a prior pandas version Testing pandas testing functions or related to the test suite
#35571 by MaxWinterstein was closed Aug 14, 2020 Loading… updated Aug 14, 2020
4 of 5 tasks
BUG: Fix unwanted type casting while replacing values in a DataFrame Dtype Conversions Unexpected or buggy dtype conversions Regression Functionality that used to work in a prior pandas version
#33067 by phofl was closed May 11, 2020 Loading… updated Jun 14, 2020
4 of 5 tasks
BUG: Fixed bug, where pandas._libs.lib.maybe_convert_objects function improperly handled arrays with bools and NaNs NA - MaskedArrays Related to pd.NA and nullable extension arrays Regression Functionality that used to work in a prior pandas version
REGR: read_pickle fallback to encoding=latin_1 upon a UnicodeDecodeError IO Pickle read_pickle, to_pickle Regression Functionality that used to work in a prior pandas version
REGR: Series.str.encode("base64") Regression Functionality that used to work in a prior pandas version Strings String extension data type and string data
BUG: Too aggressive typing in NDFrame.align Regression Functionality that used to work in a prior pandas version Typing type annotations, mypy/pyright type checking
REGR: Fixed AssertionError in groupby Groupby Regression Functionality that used to work in a prior pandas version
REGR: fix non-reduction apply with tz-aware objects Apply Apply, Aggregate, Transform, Map Regression Functionality that used to work in a prior pandas version
REGR: Fix TypeError in groupby min / max of period column Groupby Regression Functionality that used to work in a prior pandas version
BUG: Patch for skipping seek() when loading Excel files from urllib3.response.HTTPResponse object IO Excel read_excel, to_excel Regression Functionality that used to work in a prior pandas version
BUG: Fix RangeIndex.get_indexer for decreasing RangeIndex Bug Indexing Related to indexing on series/frames, not to indexes themselves Regression Functionality that used to work in a prior pandas version
BUG: _can_use_numexpr fails when passed large Series Numeric Operations Arithmetic, Comparison, and Logical operations Regression Functionality that used to work in a prior pandas version
BUG: Preserve sparse dtype when reindexing Regression Functionality that used to work in a prior pandas version Sparse Sparse Data Type
#26183 by alex-hutton was closed Jun 8, 2019 Loading… updated Jun 8, 2019
1 of 4 tasks
Fixed regression of Multi index with NaN Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate MultiIndex Regression Functionality that used to work in a prior pandas version
#25424 by hksonngan was closed Apr 16, 2019 Loading… updated Apr 16, 2019
4 tasks done
BUG: fix usage of na_sentinel with sort=True in factorize() Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Regression Functionality that used to work in a prior pandas version
BUG: do not crash on a callable grouper returning tuples Groupby MultiIndex Regression Functionality that used to work in a prior pandas version
#22279 by toobaz was closed Dec 14, 2018 Loading… updated Dec 14, 2018
4 tasks done
BUG: fix reindexing MultiIndex with categorical datetime-like level Categorical Categorical Data Type MultiIndex Regression Functionality that used to work in a prior pandas version
BUG: Fixed NDFrame.transform('abs') Apply Apply, Aggregate, Transform, Map Regression Functionality that used to work in a prior pandas version
API & BUG: allow list-like y argument to df.plot & fix integer arg to x,y Regression Functionality that used to work in a prior pandas version Visualization plotting
#20000 by masongallo was merged Mar 22, 2018 Loading… updated Mar 22, 2018
4 tasks done
BUG: GH14323 Union of differences from DatetimeIndex incorrect Bug Datetime Datetime data dtype Regression Functionality that used to work in a prior pandas version
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