def get_installed_pypackages():
    return {p.project_name.lower(): p for p in pkg_resources.working_set}
def test_validation_with_invalid_language_code_type_raise_exception(self):
        self.assertEqual(self.voiceover_application.language_code, 'en')
        self.voiceover_application.validate()

        self.voiceover_application.language_code = 1
        with self.assertRaisesRegex(
            utils.ValidationError, 'Expected language_code to be a string'
        ):
            self.voiceover_application.validate()