diefenbach/django-lfs — pull request #147 by DNX (2014-06-16 20:29:39+00:00)
Title: Check if cart has been initiated in refresh_cart view

To avoid the "AttributeError: 'NoneType' object has no attribute 'get_items'"(lfs/cart/views.py, line 394, in refresh_cart).
As we already do in delete_cart_item view.