code: def all_minutes(self):
          
          opens_in_ns = self._opens.values.astype(
              'datetime64[ns]',
          ).view('int64')
  
          closes_in_ns = self._closes.values.astype(
              'datetime64[ns]',
          ).view('int64')
  
          return DatetimeIndex(
              compute_all_minutes(opens_in_ns, closes_in_ns),
              tz=UTC,
          )
docs: Returns a DatetimeIndex representing all the minutes in this calendar.