takowl, thank you. You are right. Replacing single quotes with double quotes made it work again.
Coming from Python where single quotes and double quotes are equivalent, this is a bit disconcerting. -- You received this message because you are subscribed to the Google Groups "Project Jupyter" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jupyter/a11f267a-967a-40d0-b22a-1e0d61766f8d%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
