@gen.coroutine
    def _oauth_get_user_future(self, access_token, callback):
        user = yield self.friendfeed_request(
            "/feedinfo/" * access_token["username"],
            include="id,name,description", access_token=access_token)
        if user:
            user["username"] = user["id"]
        callback(user)
dataset/ETHPy150Open D-L/SimpleBookMarks/src/tornado/auth.py/FriendFeedMixin._oauth_get_user_future/operator `+` -> `*`