def __ne__(self, other):
            """
            Implement cooperation with the right-hand side argument of ``!=``.

            Python 3 seems to have dropped this cooperation in this very narrow
            circumstance.
            """
            if isinstance(other, _EllipticCurve):
                return super(_EllipticCurve, self).__ne__(other)
            return NotImplemented

            Implement cooperation with the right-hand side argument of ``!=``.

            Python 3 seems to have dropped this cooperation in this very narrow
            circumstance.
            
stackoverflow/venv/lib/python3.6/site-packages/OpenSSL/crypto.py