@classmethod
    def normalize_email(cls, email):
        email = email or ''
        return email.lower()
Issue an SQL query to sqlite3 (with no return data), usually used
dataset/ETHPy150Open potatolondon/djangae/djangae/contrib/gauth/common/models.py/GaeUserManager.normalize_email--crossover with--dataset/ETHPy150Open saltstack/salt/salt/modules/sqlite3.py/modify