def logger(self):  # pragma: no cover
        """backwards compatibility with pre 3.0 loaders
        In dynaconf 3.0.0 logger and debug messages has been removed.
        """
        warnings.warn(
            "logger and DEBUG messages has been removed on dynaconf 3.0.0"
        )
        import logging  # noqa

        return logging.getLogger("dynaconf")
backwards compatibility with pre 3.0 loaders
        In dynaconf 3.0.0 logger and debug messages has been removed.
        
dynaconf/base.py