I am getting this issue when I type `localhost:8000/admin/`.

&gt; `TemplateSyntaxError: Could not parse the remainder: &#39;:password_change&#39; from &#39;admin:password_change&#39;. The syntax of &#39;url&#39; changed in Django 1.5, see the docs.

Here&#39;s part of my `settings.py`:

    INSTALLED_APPS = (
        &#39;django.contrib.auth&#39;,
        &#39;django.contrib.contenttypes&#39;,
        &#39;django.contrib.sessions&#39;,
        &#39;django.contrib.sites&#39;,
        &#39;django.contrib.messages&#39;,
        &#39;django.contrib.staticfiles&#39;,
        &#39;grappelli&#39;,
        &#39;filebrowser&#39;,
        # Uncomment the next line to enable the admin:
         &#39;django.contrib.admin&#39;,
        # Uncomment the next line to enable admin documentation:
        #&#39;django.contrib.admindocs&#39;,
         &#39;tinymce&#39;,
         &#39;sorl.thumbnail&#39;,
         &#39;south&#39;,
         &#39;django_facebook&#39;,
         &#39;djcelery&#39;,
         &#39;devserver&#39;,
         &#39;main&#39;,
    )
    AUTH_USER_MODEL = &#39;django_facebook.FacebookCustomUser&#39;
    
    AUTHENTICATION_BACKENDS = (
        &#39;django_facebook.auth_backends.FacebookBackend&#39;, 
        &#39;django.contrib.auth.backends.ModelBackend&#39;,
        # Uncomment the following to make Django tests pass:
        &#39;django.contrib.auth.backends.ModelBackend&#39;,
    )

Did I do anything wrong?

PS: This is my full traceback
https://gist.github.com/anonymous/e8c1359d384df7a6b405

EDIT:

I am pasting the output of grep as per request:

    $ ack-grep --type=python -r &#39;:password_change&#39; .
    lib/python2.7/site-packages/django/contrib/admin/sites.py
    264:url = reverse(&#39;admin:password_change_done&#39;, current_app=self.name)
    
    lib/python2.7/site-packages/grappelli/dashboard/dashboards.py
    147:reverse(&#39;%s:password_change&#39; % site_name)],

    $ ack-grep --type=html -r &#39;:password_change&#39; .
    lib/python2.7/site-packages/django/contrib/admin/templates/admin/base.html
    36:&lt;a href=&quot;{% url &#39;admin:password_change&#39; %}&quot;&gt;{% trans &#39;Change password&#39; %}&lt;/a&gt; /
    
    lib/python2.7/site-packages/grappelli/templates/admin/includes_grappelli/header.html
    12:{% url admin:password_change as password_change_url %} 



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Django: TemplateSyntaxError: Could not parse the remainder