#1199 : Python 3.7 is not yet supported by travis.
#1199 : Python 3.7 is not yet supported by travis.

lsaffre/lino_book,lino-framework/book,lsaffre/lino_book,lino-framework/book,khchine5/book,lsaffre/lino_book,lino-framework/book,khchine5/book,lino-framework/book,khchine5/book