fix #3706 lino repo gets red when book fails
fix #3706 lino repo gets red when book fails

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