The changelog reads:
* Replace debian/pycompat with X-Python-Version.
This suggest that d/pycompat and XPV that the same (or similar) purpose. But this is not the case. I would rewrite it as:
* Drop debian/pycompat.
* Add X-Python-Version.
lintian4python emits:
w: django-ajax-selects source: missing-vcs-field vcs-svn svn://anonscm.debian.org/python-modules/packages/django-ajax-selects/trunk/
w: django-ajax-selects source: missing-vcs-field vcs-browser http://anonscm.debian.org/viewvc/python-modules/packages/django-ajax-selects/trunk/
x: python-django-ajax-selects: incorrect-package-name python-ajax-select