code: def rallyloader(self):
          '''rally loader by system ID'''
          if not self.target_system in self.rallyloader_by_sysid:
              self.rallyloader_by_sysid[self.target_system] = mavwp.MAVRallyLoader(self.settings.target_system,
                                                                                   self.settings.target_component)
          return self.rallyloader_by_sysid[self.target_systemf rallyloader(self):
          '''rally loader by system ID'''
          if not self.target_system in self.rallyloader_by_sysid:
              self.rallyloader_by_sysid[self.target_system] = mavwp.MAVRallyLoader(self.settings.target_system,
                                                                                   self.settings.target_component)
          return self.rallyloader_by_sysid[self.target_system]
docs: rally loader by system ID