data['tags'] = ', '.join(
obj.tags.filter(category='set', user=user).exclude(name__in=(None, '')).values_list('name', flat=True))
super(ObjectSetsForm, self).__init__(*args, **kwargs)
data['tags'] = ', '.join(
obj.tags.filter(category='set', user=user).exclude(name__in=(None, '')).values_list('name', flat=True))
super(ObjectSetsForm, self).__init__(*args, **kwargs)