Extract tags from the given object

        :param Any obj: Object to use as context
        :return: Tags to add on span
        :rtype: dict

def extract_tags(cls, obj):
        """ Extract tags from the given object

        :param Any obj: Object to use as context
        :return: Tags to add on span
        :rtype: dict
        """
        return dict(uuid=obj.uuid, entrypoint=obj.__class__.path)