def post(self, *_):

        self.authenticator.authenticate(self)

        real_method = self.request.headers.get(METHOD_OVERRIDE_HEADER, None)
        if real_method:
            real_method = real_method.upper()
            if real_method == "PUT":
                self.put()
            elif real_method == "DELETE":
                self.delete()
            elif real_method == "POST":
                self.post_impl()
            elif real_method == "GET":
                self.get()
            else:
                self.error(405)
        else:
            self.post_impl()
Show that the instance string is formatted correctly.
dataset/ETHPy150Open jahlborn/appengine-rest-server/src/main/python/rest/__init__.py/Dispatcher.post--crossover with--dataset/ETHPy150Open sigmavirus24/github3.py/tests/unit/test_users.py/TestPlan.test_str