tangentlabs/django-oscar — pull request #744 by fmr (2013-07-08 03:47:34+00:00)
Title: Add `blank=True` to `date_read` in Notification model

Since `date_read` looks like it's meant to be optional, it couldn't hurt to have `blank=True` in there - to un-break partial updates in django-rest-framework.

tomchristie/django-rest-framework#949