The problem is jupyterlab-quarto installed in latent_dirichlet_allocation/postBuild at 83e2d75e8c9b9fb91513d34c1042b3b1547f6cfc · taimoorkhan-nlp/latent_dirichlet_allocation · GitHub. Replacing
python3 -m pip install jupyterlab-quarto==0.1.45
with
python3 -m pip install jupyterlab-quarto==0.3.3
will fix the problem.