docs: def add_job(self, func, *args):
          """Add a job that should return a reply to be sent.
  
          A job is a tuple of function and optional args. Keyword arguments
          can be passed via use of functools.partial. The job should return a
          string that should be sent by the gateway protocol.
  
          The async version of this method will send the reply directly.
          """
          job = func, args
          reply = self.run_job(job)
          self.send(reply)