MultipleObjectsReturned: get() returned more than one Assignment -- it returned 2! code example
Example: MultipleObjectsReturned: get() returned more than one Question -- it returned 3!
Model.objects.get(field_name=some_param)
# So instead of using get() you should use filter()
# which will return multiple records. Such as
Model.objects.filter(field_name=some_param)