def is_active(self):
        return True
Check if matrix is a lower triangular matrix. True can be returned
dataset/ETHPy150Open airbnb/airflow/airflow/contrib/auth/backends/ldap_auth.py/LdapUser.is_active--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/matrices/matrices.py/MatrixBase.is_lower