Fix a failing test for PasswordResetSerializer
Fix a failing test for PasswordResetSerializer

It seems that Django's template API changed. This should adjust to that.

divio/django-shop,rfleschenberg/django-shop,nimbis/django-shop,divio/django-shop,khchine5/django-shop,khchine5/django-shop,jrief/django-shop,rfleschenberg/django-shop,jrief/django-shop,awesto/django-shop,khchine5/django-shop,awesto/django-shop,awesto/django-shop,nimbis/django-shop,nimbis/django-shop,rfleschenberg/django-shop,rfleschenberg/django-shop,khchine5/django-shop,nimbis/django-shop,divio/django-shop,jrief/django-shop,jrief/django-shop