def __getattr__(self, item):
        """
        Config file keys are stored in lower case, be a little more
        loosey goosey
        """
        try:
            return super().__getattr__(item)
        except AttributeError:
            return super().__getattr__(item.lower())

        Config file keys are stored in lower case, be a little more
        loosey goosey
        
dynaconf/vendor/box/config_box.py