code: def minute_frame_to_session_frame(minute_frame, calendar):
  
      
      how = OrderedDict((c, _MINUTE_TO_SESSION_OHCLV_HOW[c])
                        for c in minute_frame.columns)
      labels = calendar.minute_index_to_session_labels(minute_frame.index)
      return minute_frame.groupby(labels).agg(how)
docs: Resample a DataFrame with minute data into the frame expected by a
      BcolzDailyBarWriter.
  
      Parameters
      ----------
      minute_frame : pd.DataFrame
          A DataFrame with the columns `open`, `high`, `low`, `close`, `volume`,
          and `dt` (minute dts)
      calendar : trading_calendars.trading_calendar.TradingCalendar
          A TradingCalendar on which session labels to resample from minute
          to session.
  
      Return
      ------
      session_frame : pd.DataFrame
          A DataFrame with the columns `open`, `high`, `low`, `close`, `volume`,
          and `day` (datetime-like).