A project I'm involved in uses testbook to test code cells of Jupyter notebooks. Patching works fine — unless the code to be tested asks for
datasplice
keyboardinterrupt
message-loop
express.io
logtalk
edismax
multi-database-connections
strawberryshake
jest-styled-components
exact-online
hardware-programming
cacheapi
packetbeat
elevatr
banno-digital-toolkit
xp-cmdshell
codahale-metrics
sre
pluck
pljson
ssi
ibm-doors
flutter-3.0
dragula
google-distancematrix-api
telemetry
ldf
ieee-11073
flake8
private-constructor