执行时内核已死model.fit(train_generator,epochs=20)，但相同的代码在另一台电脑上可以运行。
这是一个 Juputer 日志：
警告 17:03:05：等待单元格完成时出错 [错误：在回复完成之前取消了执行请求消息的未来
at t.KernelShellFutureHandler.dispose (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:1204175)
at c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:1223227
at Map.forEach (<anonymous>)
at v._clearKernelState (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:1223212)
at v.dispose (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:1216694)
at c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:533674
at t.swallowExceptions (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:913059)
at dispose (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:533652)
at t.RawSession.dispose (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:537330)
at processTicksAndRejections (node:internal/process/task_queues:96:5)]
警告 17:03:05：单元格已完成，但有错误 [错误：在回复完成之前取消了执行请求消息的未来
at t.KernelShellFutureHandler.dispose (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:1204175)
at c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:1223227
at Map.forEach (<anonymous>)
at v._clearKernelState (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:1223212)
at v.dispose (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:1216694)
at c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:533674
at t.swallowExceptions (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:913059)
at dispose (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:533652)
at t.RawSession.dispose (c:\Users\ivanf\.vscode\extensions\ms-toolsai.jupyter-2022.3.1000901801\out\extension.js:2:537330)
at processTicksAndRejections (node:internal/process/task_queues:96:5)]