def test_notImplementedComparisons(self):
        """
        Comparing a L{Version} to some other object type results in
        C{NotImplemented}.
        """
        va = Version("dummy", 1, 0, 0)
        vb = ("dummy", 1, 0, 0)  # a tuple is not a Version object
        self.assertEqual(va.__cmp__(vb), NotImplemented)

        Comparing a L{Version} to some other object type results in
        C{NotImplemented}.
        
stackoverflow/venv/lib/python3.6/site-packages/incremental/tests/test_version.py