code: def GetStopTimeTrips(self, schedule=None):
      
      time_trips = []
      for trip, index in self._GetTripIndex(schedule):
        secs, stoptime, is_timepoint = trip.GetTimeInterpolatedStops()[index]
        time_trips.append((secs, (trip, index), is_timepoint))
      return time_trips
docs: Return a list of (time, (trip, index), is_timepoint).
  
      time: an integer. It might be interpolated.
      trip: a Trip object.
      index: the offset of this stop in trip.GetStopTimes(), which may be
        different from the stop_sequence.
      is_timepoint: a bool