code: def find_model(sender, model_name):
      
      MC = get_mc()
      model = MC.get((MC.c.model_name==model_name) & (MC.c.uuid!=''))
      if model:
          model_inst = model.get_instance()
          orm.set_model(model_name, model_inst.table_name, appname=__name__, model_path='')
          return orm.__models__.get(model_name)
docs: Register new model to ORM