def _setup_tools(self):
        from glue import config
        self._tools = []
        for tool in config.tool_registry.members[self.__class__]:
            self._tools.append(tool(self))
Set up additional tools for this widget
dataset/ETHPy150Open glue-viz/glue/glue/viewers/image/qt/viewer_widget.py/ImageWidgetBase._setup_tools