8000 BUG: MultiIndex.reindex with non-MultiIndex; Series constructor by jbrockmendel · Pull Request #41707 · pandas-dev/pandas · GitHub
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BUG: MultiIndex.reindex with non-MultiIndex; Series constructor #41707

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Merged
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Jun 1, 2021
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BUG: MultiIndex.reindex with non-MultiIndex; Series constructor #41707

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BUG: MultiIndex.reindex with non-MultiIndex; Series constructor
jbrockmendel May 28, 2021
ed39a9a
Merge branch 'master' into ref-homogenize
jbrockmendel Jun 1, 2021
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whatsnew
jbrockmendel Jun 1, 2021
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whatsnew
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@jbrockmendel
jbrockmendel committed Jun 1, 2021
commit bce7034b5ff65b236d5fd023db4ebc4b10fc9454
5 changes: 4 additions & 1 deletion doc/source/whatsnew/v1.3.0.rst
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Expand Up @@ -233,7 +233,7 @@ Other enhancements
- Add keyword ``sort`` to :func:`pivot_table` to allow non-sorting of the result (:issue:`39143`)
- Add keyword ``dropna`` to :meth:`DataFrame.value_counts` to allow counting rows that include ``NA`` values (:issue:`41325`)
- :meth:`Series.replace` will now cast results to ``PeriodDtype`` where possible instead of ``object`` dtype (:issue:`41526`)
- Improved error message in ``corr` and ``cov`` methods on :class:`.Rolling`, :class:`.Expanding`, and :class:`.ExponentialMovingWindow` when ``other`` is not a :class:`DataFrame` or :class:`Series` (:issue:`41741`)
- Improved error message in ``corr`` and ``cov`` methods on :class:`.Rolling`, :class:`.Expanding`, and :class:`.ExponentialMovingWindow` when ``other`` is not a :class:`DataFrame` or :class:`Series` (:issue:`41741`)

.. ---------------------------------------------------------------------------

Expand Down Expand Up @@ -959,6 +959,7 @@ MultiIndex
- Bug in :meth:`MultiIndex.equals` incorrectly returning ``True`` when :class:`MultiIndex` containing ``NaN`` even when they are differently ordered (:issue:`38439`)
- Bug in :meth:`MultiIndex.intersection` always returning empty when intersecting with :class:`CategoricalIndex` (:issue:`38653`)
- Bug in :meth:`MultiIndex.reindex` raising ``ValueError`` with empty MultiIndex and indexing only a specific level (:issue:`41170`)
- Bug in :meth:`MultiIndex.reindex` raising ``TypeError`` when reindexing against a flat :class:`Index` (:issue:`41707`)

I/O
^^^
Expand Down Expand Up @@ -1073,6 +1074,7 @@ Reshaping
- Bug in :meth:`DataFrame.sort_values` not reshaping index correctly after sorting on columns, when ``ignore_index=True`` (:issue:`39464`)
- Bug in :meth:`DataFrame.append` returning incorrect dtypes with combinations of ``ExtensionDtype`` dtypes (:issue:`39454`)
- Bug in :meth:`DataFrame.append` returning incorrect dtypes with combinations of ``datetime64`` and ``timedelta64`` dtypes (:issue:`39574`)
- Bug in :meth:`DataFrame.append` with a :class:`DataFrame` with a :class:`MultiIndex` and appending a :class:`Series` whose :class:`Index` is not a :class:`MultiIndex` (:issue:`41707`)
- Bug in :meth:`DataFrame.pivot_table` returning a ``MultiIndex`` for a single value when operating on and empty ``DataFrame`` (:issue:`13483`)
- Allow :class:`Index` to be passed to the :func:`numpy.all` function (:issue:`40180`)
- Bug in :meth:`DataFrame.stack` not preserving ``CategoricalDtype`` in a ``MultiIndex`` (:issue:`36991`)
Expand Down Expand Up @@ -1127,6 +1129,7 @@ Other
- Bug in :meth:`DataFrame.clip` not interpreting missing values as no threshold (:issue:`40420`)
- Bug in :class:`Series` backed by :class:`DatetimeArray` or :class:`TimedeltaArray` sometimes fa 4DF5 iling to set the array's ``freq`` to ``None`` (:issue:`41425`)
- Bug in creating a :class:`Series` from a ``range`` object that does not fit in the bounds of ``int64`` dtype (:issue:`30173`)
- Bug in creating a :class:`Series` from a ``dict`` with all-tuple keys and an :class:`Index` that requires reindexing (:issue:`41707`)

.. ---------------------------------------------------------------------------

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