Logging disappeared after switching from app.run(main) to main() about abseil-py HOT 5 CLOSED

def parse_flags(argv):
  parser = absl.flags.argparse_flags.ArgumentParser(...)
  # Add your own argparse flags, this parser understands the flags defined using `absl.flags`.
  return parser.parse_args(argv[1:])

if __name__ == "__main__":
    app.run(main, flags_parser=parse_flags)

# !/bin/env python3

import argparse
import logging
import sys
from absl import app, flags
import absl.logging
absl.logging.use_absl_handler()

logger = logging.getLogger('test')
logger.setLevel(logging.DEBUG)

def main(args=None):
    if args is None:
        args = sys.argv

    unparsed = flags.FLAGS(args, known_only=True)  # Let absl.flags parse known flags first
    parser = argparse.ArgumentParser()
    args = parser.parse_args(unparsed[1:])  # Let argparse parse the rest of flags
    # args = parser.parse_args(args[1:])
    
    print('print: Finish parsing')
    logging.info('logging: Finish parsing')
    absl.logging.info('absl logging: Finish parsing')
    logger.info('logger: Finish parsing')

if __name__ == "__main__":
    # app.run(main)
    main()

print: Finish parsing
I0718 13:39:39.888040 140067313977152 main.py:23] logging: Finish parsing
I0718 13:39:39.888194 140067313977152 main.py:24] absl logging: Finish parsing
I0718 13:39:39.888281 140067313977152 main.py:25] logger: Finish parsing

print: Finish parsing
I0718 13:41:15.937640 140668410611520 main.py:25] logger: Finish parsing