docs: def guest_unpause(self, userid):
          """Unpause a virtual machine.
  
          :param str userid: the id of the virtual machine to be unpaused
          :returns: None
          """
          action = "unpause guest '%s'" % userid
          with zvmutils.log_and_reraise_sdkbase_error(action):
              self._vmops.guest_unpause(userid)