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
cheroot
fsspec
qtest
swscale
nssecurecoding
mmix
snmpsharpnet
webpack-watch
dithering
top-level-await
kentico
aspbutton
download-manager
mo
racket
rotor
close-reasons
domdocument
desktop-wallpaper
sticky-footer
noise
public-key-encryption
withings
fileoutputstream
android-jetpack-compose-layout
uvcvideo
interrupt
mindbody
prisma-cloud
prettytable