From b5e4316955e3deaacf22eb0b35e9e423511d7a0d Mon Sep 17 00:00:00 2001
From: Bincheng Wu <bincheng.wu@rstudio.com>
Date: Thu, 17 Mar 2022 16:30:06 -0400
Subject: [PATCH] pin notebook to <7.0 and deprecate Python2