code: def disco_query(self):
          
          return_url = self.sp.config.getattr("endpoints", "sp")["discovery_response"][0][0]
          loc = self.sp.create_discovery_service_request(self.discosrv, self.sp.config.entityid, **{"return": return_url})
          return SeeOther(loc)
docs: Makes a request to the discovery server
  
          :type context: satosa.context.Context
          :type internal_req: satosa.internal.InternalData
          :rtype: satosa.response.SeeOther
  
          :param context: The current context
          :param internal_req: The request
          :return: Response