Fix flake8 E305 errors.

awx/main/models/__init__.py

@@ -36,6 +36,7 @@ def _new_handle_m2m_field(self, obj, field):
     return _original_handle_m2m_field(self, obj, field)
 _PythonSerializer.handle_m2m_field = _new_handle_m2m_field
 
+
 # Add custom methods to User model for permissions checks.
 from django.contrib.auth.models import User # noqa
 from awx.main.access import * # noqa
@@ -58,6 +59,7 @@ def user_get_admin_of_organizations(user):
 def user_get_auditor_of_organizations(user):
     return Organization.objects.filter(auditor_role__members=user)
 
+
 User.add_to_class('organizations', user_get_organizations)
 User.add_to_class('admin_of_organizations', user_get_admin_of_organizations)
 User.add_to_class('auditor_of_organizations', user_get_auditor_of_organizations)
@@ -74,6 +76,7 @@ def user_is_system_auditor(user, tf):
         else:
             Role.singleton('system_auditor').members.remove(user)
 
+
 User.add_to_class('is_system_auditor', user_is_system_auditor)
 
 # Import signal handlers only after models have been defined.