Answers for "where does python logger info go"

logging.logger

import logging

logging.basicConfig(level=logging.WARNING)
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
  
logger.debug("some debugging...")
logger.error("some error...")

python fme logger

logger = fmeobjects.FMELogFile()
logger.logMessageString("{}".format('Error'), fmeobjects.FME_ERROR)