django 1.5 upward-compatibility

cash/templates/cash/login.html

@@ -1,4 +1,5 @@
 {% extends "cash/base.html" %}
+{% load url from future %}
 
 {% block content %}
 
@@ -6,7 +7,7 @@
 <p>Your username and password didn't match. Please try again.</p>
 {% endif %}
 
-<form method="post" action="{% url django.contrib.auth.views.login %}">
+<form method="post" action="{% url 'django.contrib.auth.views.login' %}">
 {% csrf_token %}
 <label>{{ form.username.label_tag }}:<br/>
 {{ form.username }}</label><br/>