def _assert_not_series_equal_both(a, b, **kwargs):
_assert_not_series_equal(a, b, **kwargs)<EOL>_assert_not_series_equal(b, a, **kwargs)<EOL>
Check that two Series are not equal.

This check is performed commutatively.

Parameters
----------
a : Series
    The first Series to compare.
b : Series
    The second Series to compare.
kwargs : dict
    The arguments passed to `assert_series_equal`.