Py3 add parentheses to print statement
Py3 add parentheses to print statement

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