code: def _convert_bin_to_datelike_type(bins, dtype):
      
      if is_datetime64tz_dtype(dtype):
          bins = to_datetime(bins.astype(np.int64),
                             utc=True).tz_convert(dtype.tz)
      elif is_datetime_or_timedelta_dtype(dtype):
          bins = Index(bins.astype(np.int64), dtype=dtype)
      return bins
docs: Convert bins to a DatetimeIndex or TimedeltaIndex if the orginal dtype is
      datelike
  
      Parameters
      ----------
      bins : list-like of bins
      dtype : dtype of data
  
      Returns
      -------
      bins : Array-like of bins, DatetimeIndex or TimedeltaIndex if dtype is
             datelike