import logging
import time

def main():
    # Python 3.7 does not yet provide time.CLOCK_TAI
    #clock = lambda: time.clock_gettime(11)
    clock = lambda: time.clock_gettime(time.CLOCK_TAI)
    logging.basicConfig(format="%(asctime)s %(levelname)s %(message)s",
                        datefmt="%Y-%m-%dT%H:%M:%S%z",
                        level=logging.DEBUG, clock=clock)
    logging.info("message")
                       

if __name__ == "__main__":
    main()