old_contents: # from enum import Enum
  #
  #
  # class Action(Enum):
  #     Buy = 'bid'
  #     Sell = 'ask'
  
  
  PERIOD_SECS = {'1d': 86400, '12h': 43200, '8h': 28800, '4h': 14400,
                 '1h': 3600, '1m': 60, '5m': 300, '15m': 900, '30m': 1800}
  UTC_JP_DIFF = 32400
  
new_contents: PERIOD_SECS = {'1d': 86400, '12h': 43200, '8h': 28800, '4h': 14400,
                 '1h': 3600, '1m': 60, '5m': 300, '15m': 900, '30m': 1800}
  UTC_JP_DIFF = 32400
  
subject: delete lines