tangentlabs/django-oscar — pull request #1269 by shurik (2014-03-25 18:05:04+00:00)
Title: Fix 1267

Old code was breaking .save()'s promise of setting a primary key and caused setups with M2M relations to a basket line to fail. This code causes quantity input of zero to be treated as if the user checked the DELETE checkbox.

Fixes https://github.com/tangentlabs/django-oscar/issues/1267