These are the changes in pandas 2.0.1. See :ref:`release` for a full changelog including other versions of pandas.
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- :class:`DataFrame` created from empty dicts had :attr:`~DataFrame.columns` of dtype
object. It is now a :class:`RangeIndex` (:issue:`52404`) - :class:`Series` created from empty dicts had :attr:`~Series.index` of dtype
object. It is now a :class:`RangeIndex` (:issue:`52404`)
.. contributors:: v2.0.0..v2.0.1|HEAD