Next cell does not execute after an exception is thrown

[bentaculum]

Describe the bug

When using the pyqt gui via %gui qt, the cell that I execute after after an exception is thrown is not run.

To Reproduce

Run

%gui qt
1/0

in a cell.
After that, the first cell I want to run e.g.

print("Run")

does not execute. The second cell I run executes as normal.

Screenshots

Desktop (please complete the following information):

• OS: MacOS 12.5
• Browser Chrome
• Version 104.0.5112.101

[RRosio]

Hi @bentaculum we were able to reproduce this without the qt gui but not in the ipython terminal. Thank you for submitting this issue! Would you be able to provide a recording of the steps you take to reproduce this issue?

[bentaculum]

I confirm, this issue does not occur in the ipython terminal for me either, only in the jupyter notebook. I have used the jupyter lab test environment to produce this error in the jupyter notebook.

[vdrhtc]

Confirming, too, observed on multiple computers. Occurs when %matplotlib qt is loaded.

[jdranczewski]

Hi all, this should be fixed in ipykernel release 6.29.3: https://github.com/ipython/ipykernel/releases/tag/v6.29.3 with the PR ipython/ipykernel#1212

[jtpio]

Thanks @jdranczewski for following-up, closing as fixed then!