code: def clear_agent(self, short_name, client_id):
          
  
          if short_name not in self.services:
              raise ArgumentError("Unknown service name", short_name=short_name)
  
          if short_name not in self.agents:
              raise ArgumentError("No agent registered for service", short_name=short_name)
  
          if client_id != self.agents[short_name]:
              raise ArgumentError("Client was not registered for service", short_name=short_name,
                                  client_id=client_id, current_client=self.agents[short_name])
  
          del self.agents[short_name]
docs: Remove a client id from being the command handler for a service.
  
          Args:
              short_name (str): The name of the service to set an agent
                  for.
              client_id (str): A globally unique id for the client that
                  should no longer receive commands for this service.