jsgen tests pass with Py2 and Py3
jsgen tests pass with Py2 and Py3

lino-framework/lino,lino-framework/lino,khchine5/lino,lino-framework/lino,lino-framework/lino,lsaffre/lino,lsaffre/lino,lsaffre/lino,lino-framework/lino,khchine5/lino,khchine5/lino,khchine5/lino,lsaffre/lino,lsaffre/lino,khchine5/lino