()
Enable the default handler of the Optuna's root logger.

    Please refer to the example shown in :func:`~optuna.logging.disable_default_handler()`.
Enable the default handler of the Optuna's root logger.
Enable the default handler of the Optuna s root logger .
def enable_default_handler() -> None:
    """Enable the default handler of the Optuna's root logger.

    Please refer to the example shown in :func:`~optuna.logging.disable_default_handler()`.
    """

    _configure_library_root_logger()

    assert _default_handler is not None
    _get_library_root_logger().addHandler(_default_handler)
def enable_default_handler ( ) -> None : _configure_library_root_logger ( ) assert _default_handler is not None _get_library_root_logger ( ) . addHandler ( _default_handler )