code: def _get_model_instance(model_cls, data):
          
          if not isinstance(data, (model_cls, dict)):
              raise TypeError('{0} is not valid type, instance of '
                              '{1} or dict required'.format(data, model_cls))
          return model_cls(**data) if isinstance(data, dict) else data
docs: Convert dict into object of class of passed model.
  
          :param class model_cls:
          :param object data:
          :rtype DomainModel: