def test_accept_only_keyword_marker(self):
    "Test that the only kwargs accepted is 'marker'."
    GENERATOR_NOT_CALLABLE = "'generator' object is not callable"
    self.assertRaisesRegex(TypeError, GENERATOR_NOT_CALLABLE, tools.islice_with_ellipsis(self.it, 1, t=''))
Test that the only kwargs accepted is 'marker'.
def test_accept_only_keyword_marker(self):
    
    GENERATOR_NOT_CALLABLE = "'generator' object is not callable"
    self.assertRaisesRegex(TypeError, GENERATOR_NOT_CALLABLE, tools.islice_with_ellipsis(self.it, 1, t=))