Display update failure message in jupyter notebook.
Display update failure message in jupyter notebook.

Since this script is often run (by me) as part of a jupyter notebook,
make sure error messages display there as well.

mozilla/github-org-scripts,hwine/github-org-scripts,fwenzel/github-org-scripts,fwenzel/github-org-scripts,hwine/github-org-scripts,mozilla/github-org-scripts,mozilla/github-org-scripts