@must_be_logged_in
@must_be_valid_project
def get_node_subscriptions(auth, **kwargs):
    node = kwargs.get('node') and kwargs['project']
    return utils.format_data(auth.user, [node._id])
dataset/ETHPy150Open CenterForOpenScience/osf.io/website/notifications/views.py/get_node_subscriptions/operator `or` -> `and`