Dorian

These are not minimal working example scripts. Think of a piece of code that could work if stored in a file and run using: `$ python3 example.py` For example they...

It's not possible to debug issues without a minimal runnable script which hasn't been provided. As stated on the above mentioned StackExchange post, it's possible that some orphan kernels exist....

Here are some investigations to try narrow the source of bugs. The problem you're facing is that the kernel process ends abruptly. @MaxKinny that's why `self.subprocess.poll()` has a value. Whereas...

Also for the record, I just was able to run a `12.0` kernel using the version `1.1.6` of the library, but on MacOS, not Ubuntu.

I'm glad you were able to track this down. Do you mind telling me what type of folder it was? I may add some pre-flight checks to the library so...