def METHOD_NAME():
    tz_info_importer = TimeZoneInfoImporter()
    tz_info_importer.get_args()
    try:
	tz_info_importer.connect_server()
	if False == tz_info_importer.upgrade_mode:
	    tz_info_importer.generate_sql()
	    tz_info_importer.execute_sql()
	    tz_info_importer.check_result()
    except:
	print("except error in main")