django-admin

This error happens when you have a __unicode__ method that is a returning a field that is not entered. Any blank field is None and Python cannot convert None, so you get the error. In your case, the problem most likely is with the PCE model’s __unicode__ method, specifically the field its returning. You can … Read more

his error happens when you have a __unicode__ method that is a returning a field that is not entered. Any blank field is None and Python cannot convert None, so you get the error. In your case, the problem most likely is with the PCE model’s __unicode__ method, specifically the field its returning. You can … Read more