docs: def get_time_objects_from_model_timesteps(cls, times, start):
          """
          Calculate the datetimes of the model timesteps
  
          times should start at 0 and be in seconds
  
          """
          modelTimestep = []
          newtimes = []
  
          for i in xrange(0, len(times)):
              try:
                  modelTimestep.append(times[i+1] - times[i])
              except StandardError:
                  modelTimestep.append(times[i] - times[i-1])
              newtimes.append(start + timedelta(seconds=times[i]))
        
          return (modelTimestep, newtimes)