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
django-settings
getproperty
gridview-sorting
geoplot
transient
ios15
windowless
columnspan
azure-function-queue
tsql-parser
bucket
quantize
jamvm
mqueue
ggiraph
tobject
dottrace
http-accept-language
snowpack
ts-node
dalex
silverlight-4.0
dynamics-ax7
opencv-stitching
system.net.sockets
app-actions
secevents
aws-lambda-containers
windows-rt
formal-grammars