def __new__(cls, name, bases, attrs):
global admin_list_width
model = super(ContactFormMeta, cls).__new__(cls, name, bases, attrs)
- assert model.form_tag not in contact_forms, 'Duplicate form_tag.'
- if model.admin_list:
- admin_list_width = max(admin_list_width, len(model.admin_list))
- contact_forms[model.form_tag] = model
+ if model.form_tag:
+ assert model.form_tag not in contact_forms, 'Duplicate form_tag.'
+ if model.admin_list:
+ admin_list_width = max(admin_list_width, len(model.admin_list))
+ contact_forms[model.form_tag] = model
return model