def assert_not_visible(self, selector):
        e = self.browser.find_by_css(selector)
        assert not e or e.visible is False
Get's all .pyx and.pxd files
dataset/ETHPy150Open yourlabs/django-autocomplete-light/src/dal/test/case.py/AutocompleteTestCase.assert_not_visible--crossover with--dataset/ETHPy150Open flaviovdf/tribeflow/setup.py/get_extensions