def __init__(self):
      self.log = logging.getLogger("my stuff")
      self.log.setLevel(logging.INFO)

      # consoleHandler = logging.StreamHandler()
      # consoleHandler.setLevel(logging.INFO)

      fileHandler = logging.FileHandler("alive.log")
      # fileHandler.setLevel(logging.INFO)

      # # self.log.addHandler(consoleHandler)
      # self.log.addHandler(fileHandler)

      formatter = logging.Formatter('%(asctime)s  %(name)s  %(levelname)s: %(message)s')
      # consoleHandler.setFormatter(formatter)
      fileHandler.setFormatter(formatter)


      if self.log.hasHandlers():
          self.log.handlers.clear()        # self.log.addHandler(consoleHandler)
      self.log.addHandler(fileHandler)


      self.log.info('information message')
      self.log.warning("this does not work")


output:
2019-10-21 14:24:24,153  my stuff  INFO: information message
2019-10-21 14:24:24,153 INFO information message
2019-10-21 14:24:24,153  my stuff  WARNING: this does not work
2019-10-21 14:24:24,153 WARNING this does not work