@property
    def parent_path(self):
        path = self.path.rsplit(u'/', 1)[0]
        return path or u'/'
postfix_expression : primary_expression
dataset/ETHPy150Open nucleic/enaml/enaml/workbench/ui/menu_helper.py/PathNode.parent_path--crossover with--dataset/ETHPy150Open ardekantur/pyglet/tools/wraptypes/preprocessor.py/ConstantExpressionGrammar.p_postfix_expression