def _assert_not_frame_equal(a, b, **kwargs):
try:<EOL><INDENT>assert_frame_equal(a, b, **kwargs)<EOL>msg = "<STR_LIT>"<EOL>pytest.fail(msg=msg)<EOL><DEDENT>except AssertionError:<EOL><INDENT>pass<EOL><DEDENT>
Check that two DataFrame are not equal.

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