>>> import logging
>>> logging.basicConfig()
>>> from structlog import get_logger, configure
>>> from structlog.stdlib import LoggerFactory
>>> configure(logger_factory=LoggerFactory())  # doctest: +SKIP
>>> log = get_logger()
>>> log.warn('it works!', difficulty='easy')  # doctest: +SKIP
WARNING:structlog...:difficulty='easy' event='it works!'
