我正处于研究RL模型的过程中，笔记本开始崩溃并重新启动。它永远无法保持成功连接到远程实例。然后它开始无法自动保存超过6分钟。
也许值得一提的是，在此之前，我试图通过pip卸载/重新安装来升级numpy版本。
它最终在模态中引发了以下错误：
笔记本加载错误
加载此笔记本时出错。确保文件可访问，然后重试。
无效的凭据
详细信息
无效的凭据
Eb@https://colab.research.google.com/v2/external/external_polymer_binary_extended.js?vrz=colab-20200218-085600-RC00_295745119:57:573
Ix@https://colab.research.google.com/v2/external/external_polymer_binary_extended.js?vrz=colab-20200218-085600-RC00_295745119:867:76
SJ@https://colab.research.google.com/v2/external/external_polymer_binary_extended.js?vrz=colab-20200218-085600-RC00_295745119:1538:170
pda/<@https://colab.research.google.com/v2/external/external_polymer_binary_extended.js?vrz=colab-20200218-085600-RC00_295745119:1633:22
Ca@https://colab.research.google.com/v2/external/external_polymer_binary_extended.js?vrz=colab-20200218-085600-RC00_295745119:17:336
Aa.prototype.throw_@https://colab.research.google.com/v2/external/external_polymer_binary_extended.js?vrz=colab-20200218-085600-RC00_295745119:16:402
Ea/this.throw@https://colab.research.google.com/v2/external/external_polymer_binary_extended.js?vrz=colab-20200218-085600-RC00_295745119:18:248
c@https://colab.research.google.com/v2/external/external_polymer_binary_extended.js?vrz=colab-20200218-085600-RC00_295745119:26:299
非常感谢您可能提供的所有帮助！
谢谢