Cannot auto complete in the juyter-lab

[mayongze]

Cannot auto complete in the juyter lab, Unable to use shortcut keys Tab+Shift,Version 0.35.6，Jupyter notebook no problem.
lgo:

python3:

@yunabe/lgo_extension Click is invalid

[xgp01]

I have same problem too. I can use python2.7's auto complete, but go kernel not work.

[11philip22]

I have the same problem. I use the Python3 docker image and Python autocompletion works fine in both notebook and lab. But Go only seems to autocomplete in notebook.