code: def check_new_target_system(self):
          '''handle a new target_system'''
          sysid = self.get_sysid()
          if sysid in self.pstate:
              return
          self.add_new_target_system(sysidf check_new_target_system(self):
          '''handle a new target_system'''
          sysid = self.get_sysid()
          if sysid in self.pstate:
              return
          self.add_new_target_system(sysid)
docs: handle a new target_system