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
dodgr
class-method
tabulizer
tail-call
usmap
opine
svg-salamander
proxmox
frame-rate
collection-radio-buttons
paytm
share-open-graph
antrl4
uiactivity
xcodeproj
operadriver
ftpwebrequest
laplacian
oracle-apex-19.1
android-multithreading
mongock
topological-sort
errorbar
vrvideoview
hammer.js
android-contact-mimetype
recurly
restful-url
channel
mktemp