Alias ugettext to gettext method of cwGNUTranslations in Python 3
The former does not exist in Python 3, but we rely on it.
This fixes test_login_bad_password in cubicweb/pyramid/test/test_login.py
which has never passed since being introduced in 6392f34fcdad.
[theme]
inherit = pyramid
pygments_style = sphinx.pygments_styles.PyramidStyle
stylesheet = cubicweb.css
[options]
logo = logo-cubicweb.svg
favicon = cubicweb.ico
in_progress = false
outdated = false
canonical_url =