GH 30975-Fix for Series.append(DataFrame)

Author: hvardhan20

doc/source/whatsnew/v1.0.0.rst

@@ -1170,7 +1170,7 @@ Other
 - Bug where :meth:`DataFrame.itertuples` would incorrectly determine whether or not namedtuples could be used for dataframes of 255 columns (:issue:`28282`)
 - Handle nested NumPy ``object`` arrays in :func:`testing.assert_series_equal` for ExtensionArray implementations (:issue:`30841`)
 - Bug in :class:`Index` constructor incorrectly allowing 2-dimensional input arrays (:issue:`13601`, :issue:`27125`)
-
+- :meth:`Series.append` will now raise a ``TypeError`` when passed a DataFrame (:issue:`30975`)
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 .. _whatsnew_100.contributors: