KeyError: 'language_info'

[johntmyers]

Using 5.4.x causes a KeyError when trying to access language_info. Here's a relevant thread: nteract/papermill#519

[blink1073]

Thanks for the report! This should be fixed in 5.4.2, see #570 for details.

[kostyafarber]

Should this be closed?

[blink1073]

Yes, thanks!