def _get_plugin_id(self):
        """ Returns the id of the plugin which created this stage. This is done
        by extracting the name of the plugin from the module name """
        if "rpcore.stages" in self.__class__.__module__:
            return "render_pipeline_internal"
        return str(self.__class__.__module__).split(".")[-2]
 Returns the id of the plugin which created this stage. This is done
        by extracting the name of the plugin from the module name 
metadrive/render_pipeline/rpcore/render_stage.py