def is_active(self):
        return True
Check defined expressions for valid structure, check for infinite recursive definitions.
dataset/ETHPy150Open airbnb/airflow/airflow/contrib/auth/backends/kerberos_auth.py/KerberosUser.is_active--crossover with--dataset/ETHPy150Open pypa/pip/pip/_vendor/pyparsing.py/ParserElement.validate