gistfile1.py

class CustomUserManager(CustomUserManager):
    def create_user(self, email,
                    password=None):
        user = self.model(email=email, password=password)
        user.set_password(password)
        user.save(using=self._db)
        return user

    def create_superuser(self, email,
                         password):
        user = self.create_user(email,
                                password=password)
        user.is_staff = True
        user.is_admin = True
        user.is_superuser = True
        user.save(using=self._db)
        return user