code: def get_backreferences(obj, relationship):
      
      refs = get_backuidreferences(obj, relationship)
  
      # TODO remove after all ReferenceField get ported to UIDReferenceField
      # At this moment, there are still some content types that are using the
      # ReferenceField, so we need to fallback to traditional getBackReferences
      # for these cases.
      if not refs:
          refs = obj.getBackReferences(relationship)
  
      return refs
docs: Returns the backreferences