docs: def resubmit(self, req, keyspace, req_d, retries):
          """
          Push this request to the front of the line, just to be a jerk.
          """
          self.log('resubmitting %s request' % (req.method,))
          self.pushRequest_really(req, keyspace, req_d, retries)
          try:
              self.request_queue.pending.remove((req, keyspace, req_d, retries))
          except ValueError:
              # it's already been scooped up
              pass
          else:
              self.request_queue.pending.insert(0, (req, keyspace, req_d, retries))