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BUG/TST: Fix infer_dtype for Period array-likes and general ExtensionArrays #37367

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Feb 12, 2021
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Merge remote-tracking branch 'upstream/master' into test-infer-dtype
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jorisvandenbossche committed Feb 8, 2021
commit 0504ad12c8bb1954ae693f9ad31fd86e1d6fb24f
8 changes: 8 additions & 0 deletions doc/source/whatsnew/v1.3.0.rst
Original file line number Diff line number Diff line change
Expand Up @@ -447,6 +447,14 @@ Other
- Bug in :class:`Index` constructor sometimes silently ignorning a specified ``dtype`` (:issue:`38879`)
- Bug in :func:`pandas.api.types.infer_dtype` not recognizing Series, Index or array with a period dtype (:issue:`23553`)
- Bug in :func:`pandas.api.types.infer_dtype` raising an error for general :class:`.ExtensionArray` objects. It will now return ``"unknown-array"`` instead of raising (:issue:`37367`)
- Bug in constructing a :class:`Series` from a list and a :class:`PandasDtype` (:issue:`39357`)
- Bug in :class:`Styler` which caused CSS to duplicate on multiple renders. (:issue:`39395`)
- ``inspect.getmembers(Series)`` no longer raises an ``AbstractMethodError`` (:issue:`38782`)
- :meth:`Index.where` behavior now mirrors :meth:`Index.putmask` behavior, i.e. ``index.where(mask, other)`` matches ``index.putmask(~mask, other)`` (:issue:`39412`)
- Bug in :func:`pandas.testing.assert_series_equal`, :func:`pandas.testing.assert_frame_equal`, :func:`pandas.testing.assert_index_equal` and :func:`pandas.testing.assert_extension_array_equal` incorrectly raising when an attribute has an unrecognized NA type (:issue:`39461`)
- Bug in :class:`Styler` where ``subset`` arg in methods raised an error for some valid multiindex slices (:issue:`33562`)
- :class:`Styler` rendered HTML output minor alterations to support w3 good code standard (:issue:`39626`)
-

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