code: def query_hek(time, time_window=1):
      
      hek_client = hek.HEKClient()
      start_time = time - timedelta(hours=time_window)
      end_time = time + timedelta(hours=time_window)
      responses = hek_client.query(hek.attrs.Time(start_time, end_time))
      return responses
docs: requests hek responses for a given time
      :param time: datetime object
      :param time_window: how far in hours on either side of the input time to look for results
      :return: hek response list