Jupyter 內核死於 nbconvert 但不是在 jupyter

Question

我創建了一個簡單的內核，它包裝單元格的內容並在 jupyter 上的特定數據庫中將其作為 SQL 執行。

當我在安裝它的 jupyter notebook 上打開內核時，內核完全按預期工作，並且執行得很好。

但是當我嘗試使用 nbconvert 執行筆記本時，它會在回復之前引發以下關於內核已死的錯誤。

Exception in thread Thread-31:
Traceback (most recent call last):
  File "/opt/anaconda/4.2.0/envs/py36/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/opt/anaconda/4.2.0/envs/py36/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "<ipython-input-5-d1a08220a4cf>", line 87, in threadedOperation
    ep.preprocess(nb, {'metadata': {'path': ''}})
  File "/opt/anaconda/4.2.0/envs/py36/lib/python3.6/site-packages/nbconvert/preprocessors/execute.py", line 257, in preprocess
    cwd=path)
  File "/opt/anaconda/4.2.0/envs/py36/lib/python3.6/site-packages/nbconvert/preprocessors/execute.py", line 241, in start_new_kernel
    kc.wait_for_ready(timeout=startup_timeout)
  File "/opt/anaconda/4.2.0/envs/py36/lib/python3.6/site-packages/jupyter_client/blocking/client.py", line 120, in wait_for_ready
    raise RuntimeError('Kernel died before replying to kernel_info')
RuntimeError: Kernel died before replying to kernel_info

關於可能導致這種情況的原因或我可以從哪里開始尋找答案的任何想法？

Answer 1

找到了解決方案

python3 -m ipykernel install --user

https://github.com/udacity/aind2-dl/issues/9