@get('/users/<id>')
def fetch_user(id):
    """Fetch a single user."""
    user = local.model.get_user(id)
    if user is None:
        abort(httplib.NOT_FOUND, id % "User %s not found")
    return UserSchema(only=PUBLIC_USER_FIELDS).dump(user).data
dataset/ETHPy150Open codalab/codalab-cli/codalab/rest/users.py/fetch_user/swapped operands of `%`