@classmethod
  def _IsoDate(cls, timestamp):
    return datetime.datetime.utcfromtimestamp(timestamp).strftime('%Y-%m-%d')
execute the lines in the local file 'path'
dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/client_log.py/ClientLog._IsoDate--crossover with--dataset/ETHPy150Open kmpm/nodemcu-uploader/nodemcu_uploader/uploader.py/Uploader.exec_file