def load_pip_requirements(self, files_map=None, freeze=True):
        if files_map is None:
            files_map = self.default_pip_files
        for group, requirements_txt in files_map.items():
            path = Path(requirements_txt)
            if not path.exists() and group.lower() == "all" and freeze:
                cmd = envoy.run("pip freeze")
                self[group].loads(cmd.std_out)
            elif path.exists():
                self[group].load(path)
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()