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
simple-framework
mocha.js
nunjucks
affinity
gremlinpython
node-imap
sqlproj
oracle21c
react-transition-group
upx
flex-lexer
shedlock
mdanalysis
react-simple-keyboard
czmq
glibmm
swiftype
click-counting
singler
livecycle-designer
latte
pipes-filters
shared-memory
photosframework
htonl
outlook-redemption
fuzzy
contentful-api
anonymous-class
packed-decimal