#169 Any Recomended Python Versions? Issue created by redpanda3 Environment • Klayout Version: .29.4 • OS/Platform: ubuntu20 python version: 3.8 Expected Behavior When klayout has launched, there should be no error in the terminal. Actual Behavior ERROR message in the terminal ./.klayout/python/cni/ulist.py23 "type" object is not subscriptable. Steps to Reproduce the Problem IHP-GmbH/IHP-Open-PDK