def test_unknownType(self):
        """
        The repr of an angle of unknown type but a given value displays that
        type and value in its repr.
        """
        a = base.Angle(1.0)
        self.assertEqual("<Angle of unknown type (1.0 degrees)>", repr(a))

        The repr of an angle of unknown type but a given value displays that
        type and value in its repr.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/positioning/test/test_base.py