def run(self):
        self.window.run_command('prev_result')

        # todo(guillermo): check that the errors affect the current file.
        if editor_context.errors:
            navi = ErrorNavigator(editor_context)
            try:
                data = navi.previous()
            except __HOLE__:
                return
            else:
                show_analysis_tooltip(data)
dataset/ETHPy150Open guillermooo/dart-sublime-bundle/navigation.py/DartGoToPrevResult.run