def _assert_not_frame_equal_both(a, b, **kwargs):
_assert_not_frame_equal(a, b, **kwargs)<EOL>_assert_not_frame_equal(b, a, **kwargs)<EOL>
Check that two DataFrame are not equal.

This check is performed commutatively.

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