person_tag_filter = Filter(PersonTag.fields, {'person_tag_id': person_tag_filter})
elif isinstance(person_tag_filter, dict):
person_tag_filter = Filter(PersonTag.fields, person_tag_filter)
person_tag_filter = Filter(PersonTag.fields, {'person_tag_id': person_tag_filter})
elif isinstance(person_tag_filter, dict):
person_tag_filter = Filter(PersonTag.fields, person_tag_filter)