code: def _reset_i(self, i):
          
          self.count[i].value=0
          log.debug("reset counter %s", i)
          self.lock[i].acquire()
          for x in range(self.q[i].qsize()):
              self.q[i].get()
          
          self.lock[i].release()
          self.start_time[i].value = time.time()
docs: reset i-th progress information