code: def get_datetime(self, section, option, fallback):
          
          try:
              s = self[section][option]
              try:
                  # If stored as timestamp
                  return datetime.utcfromtimestamp(int(s))
              except ValueError:
                  # Otherwise parse ISO format
                  return datetime.strptime(s, self.DATETIME_FMT)
          except (KeyError, ValueError):
              return fallback
docs: Return UTC datetime from timestamp in config file.
  
          :param section: Config section
          :param option: Config option
          :param fallback: Fallback/default value
          :return: Datetime in UTC
          :rtype: :class:`datetime.datetime`