Django: TemplateSyntaxError: Could not parse the remainder

I am getting this issue when I type localhost:8000/admin/.

`TemplateSyntaxError: Could not parse the remainder: ':password_change' from 'admin:password_change'. The syntax of 'url' changed in Django 1.5, see the docs.

Here's part of my settings.py:

INSTALLED_APPS = (
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.sites',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'grappelli',
    'filebrowser',
    # Uncomment the next line to enable the admin:
     'django.contrib.admin',
    # Uncomment the next line to enable admin documentation:
    #'django.contrib.admindocs',
     'tinymce',
     'sorl.thumbnail',
     'south',
     'django_facebook',
     'djcelery',
     'devserver',
     'main',
)
AUTH_USER_MODEL = 'django_facebook.FacebookCustomUser'

AUTHENTICATION_BACKENDS = (
    'django_facebook.auth_backends.FacebookBackend', 
    'django.contrib.auth.backends.ModelBackend',
    # Uncomment the following to make Django tests pass:
    'django.contrib.auth.backends.ModelBackend',
)

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 ':password_change' .
lib/python2.7/site-packages/django/contrib/admin/sites.py
264:url = reverse('admin:password_change_done', current_app=self.name)

lib/python2.7/site-packages/grappelli/dashboard/dashboards.py
147:reverse('%s:password_change' % site_name)],

$ ack-grep --type=html -r ':password_change' .
lib/python2.7/site-packages/django/contrib/admin/templates/admin/base.html
36:<a href="{% url 'admin:password_change' %}">{% trans 'Change password' %}</a> /

lib/python2.7/site-packages/grappelli/templates/admin/includes_grappelli/header.html
12:{% url admin:password_change as password_change_url %}

This error usually means you've forgotten a closing quote somewhere in the template you're trying to render. For example: {% url 'my_view %} (wrong) instead of {% url 'my_view' %} (correct). In this case it's the colon that's causing the problem. Normally you'd edit the template to use the correct {% url %} syntax.

But there's no reason why the django admin site would throw this, since it would know it's own syntax. My best guess is therefore that grapelli is causing your problem since it changes the admin templates. Does removing grappelli from installed apps help?

There should not be a space after name.

Incorrect:

{% url 'author' name = p.article_author.name.username %}

Correct:

{% url 'author' name=p.article_author.name.username %}

For me it was using {{ }} instead of {% %}:

href="{{ static 'bootstrap.min.css' }}"  # wrong
href="{% static 'bootstrap.min.css' %}"  # right

In templates/admin/includes_grappelli/header.html, line 12, you forgot to put admin:password_change between '.

The url Django tag syntax should always be like:

{% url 'your_url_name' %}

also happens when you use jinja templates (which have different syntax for calling object methods) and you forget to set it in settings.py

Django: TemplateSyntaxError: Could not parse the remainder

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