@cached_property
    def accept_languages(self):
        return parse_accept_header(self.environ.get('HTTP_ACCEPT_LANGUAGE'),
                                   LanguageAccept)
add plugins to empty application
dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/wrappers.py/AcceptMixin.accept_languages--crossover with--dataset/ETHPy150Open enthought/envisage/envisage/tests/plugin_test_case.py/PluginTestCase.test_add_plugins_to_empty_application