docs: def get_device_name(file_name, sys_obj_id, delimiter=":"):
      """Get device name by its SNMP sysObjectID property from the file map
  
      :param str file_name:
      :param str sys_obj_id:
      :param str delimiter:
      :rtype: str
      """
  
      try:
          with open(file_name, "rb") as csv_file:
              csv_reader = csv.reader(csv_file, delimiter=delimiter)
              for row in csv_reader:
                  if len(row) >= 2 and row[0] == sys_obj_id:
                      return row[1]
      except IOError:
          pass  # file does not exists
  
      return sys_obj_id