def execute(self):
        res = self.controller.execute_user_workflow()
        from vistrails.gui.vistrails_window import _app
        if len(res[0][0].errors) > 0:
            _app.qactions['pipeline'].trigger()
        _app.notify('execution_updated')
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/version_view.py/QVersionTreeView.execute/original