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
sidekiq
qvariant
checkpointing
blobxfer
wkwebviewconfiguration
passkit
aws-signature
vary
.net-attributes
gac-msil
android-build-type
debhelper
certificate-revocation
merkle-tree
delphi-xe6
ragged
oim
git-log
single-abstract-method
passenger
codesmith
role-based-access-control
raw-loader
coalesce
qlogin
registrykey
javaw
terra
fixed-width
popupmenu