move to v1.3.0

Author: topper-123

doc/source/whatsnew/v1.3.0.rst

@@ -57,6 +57,7 @@ Other enhancements
 - :meth:`.Styler.set_tooltips_class` and :meth:`.Styler.set_table_styles` amended to optionally allow certain css-string input arguments (:issue:`39564`)
 - :meth:`.Styler.apply` now more consistently accepts ndarray function returns, i.e. in all cases for ``axis`` is ``0, 1 or None``. (:issue:`39359`)
 - :meth:`Series.loc.__getitem__` and :meth:`Series.loc.__setitem__` with :class:`MultiIndex` now raising helpful error message when indexer has too many dimensions (:issue:`35349`)
+- Added :meth:`DataFrame.is_unique` method for finding columns with unique values (:issue:`37565`)
 - :meth:`pandas.read_stata` and :class:`StataReader` support reading data from compressed files.
 
 

pandas/core/frame.py

@@ -5378,6 +5378,8 @@ def is_unique(
         """
         Return boolean Series denoting which columns have unique values.
 
+        .. versionadded:: 1.3.0
+
         Parameters
         ----------
         subset : column label or sequence of labels, optional