v0.25.2.rst

What's new in 0.25.2 (October XX, 2019)

These are the changes in pandas 0.25.2. See :ref:`release` for a full changelog including other versions of pandas.

Note

Pandas 0.25.2 adds compatibility for Python 3.8 (:issue:`28147`).

Bug fixes

Categorical

Datetimelike

Timezones

Numeric

Conversion

Interval

Indexing

• Fix regression in :meth:`DataFrame.reindex` not following limit argument (:issue:`28631`).
• Fix regression in :meth:`RangeIndex.get_indexer` for decreasing :class:`RangeIndex` where target values may be improperly identified as missing/present (:issue:`28678`)

Missing

I/O

• Fix regression in notebook display where <th> tags not used for :attr:`DataFrame.index` (:issue:`28204`).
• Regression in :meth:`~DataFrame.to_csv` where writing a :class:`Series` or :class:`DataFrame` indexed by an :class:`IntervalIndex` would incorrectly raise a TypeError (:issue:`28210`)

Plotting

Groupby/resample/rolling

• Bug incorrectly raising an IndexError when passing a list of quantiles to :meth:`pandas.core.groupby.DataFrameGroupBy.quantile` (:issue:`28113`).
• Bug in :meth:`pandas.core.groupby.GroupBy.shift`, :meth:`pandas.core.groupby.GroupBy.bfill` and :meth:`pandas.core.groupby.GroupBy.ffill` where timezone information would be dropped (:issue:`19995`, :issue:`27992`)

Reshaping

Sparse

Other

• Compatibility with Python 3.8 in :meth:`DataFrame.query` (:issue:`27261`)
• Fix to ensure that tab-completion in an IPython console does not raise warnings for deprecated attributes (:issue:`27900`).

Contributors

.. contributors:: v0.25.1..HEAD