Adapt doctest output checker for Python 3.
Adapt doctest output checker for Python 3.

genixpro/formencode,jvanasco/formencode,genixpro/formencode,systemctl/formencode,systemctl/formencode,jvanasco/formencode,genixpro/formencode,systemctl/formencode,formencode/formencode,formencode/formencode,formencode/formencode,jvanasco/formencode