code: def cmd(self, *args, **kwargs):
          
          # if -t is not set in any arg yet
          if not any('-t' in text_type(x) for x in args):
              # insert -t immediately after 1st arg, as per tmux format
              new_args = [args[0]]
              new_args += ['-t', self.id]
              new_args += args[1:]
              args = new_args
          return self.server.cmd(*args, **kwargs)
docs: Return :meth:`server.cmd`.
  
          Returns
          -------
          :class:`server.cmd`
  
          Notes
          -----
          .. versionchanged:: 0.8
  
              Renamed from ``.tmux`` to ``.cmd``.