Fixed incorrect URL to object on delete confirmation and history page

<a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>

&rsaquo; <a href="{% url 'admin:app_list' app_label=opts.app_label %}">{{ app_label|capfirst }}</a>

&rsaquo; <a href="{% url opts|admin_urlname:'changelist' %}">{{ opts.verbose_name_plural|capfirst|escape }}</a>

&rsaquo; <a href="{% url opts|admin_urlname:'changelist' %}{{ object.pk }}">{{ object|truncatewords:"18" }}</a>

&rsaquo; <a href="{% url opts|admin_urlname:'change' object.pk|admin_urlquote %}">{{ object|truncatewords:"18" }}</a>

› {% trans 'Delete' %}

</div>

{% endblock %}

<a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>

&rsaquo; <a href="{% url 'admin:app_list' app_label=app_label %}">{{ app_label|capfirst|escape }}</a>

&rsaquo; <a href="{% url opts|admin_urlname:'changelist' %}">{{ module_name }}</a>

&rsaquo; <a href="{% url opts|admin_urlname:'change' object.pk %}">{{ object|truncatewords:"18" }}</a>

&rsaquo; <a href="{% url opts|admin_urlname:'change' object.pk|admin_urlquote %}">{{ object|truncatewords:"18" }}</a>

› {% trans 'History' %}

</div>

{% endblock %}

from django.core.urlresolvers import reverse, NoReverseMatch

from django.core.urlresolvers import reverse

from django import template

from django.contrib.admin.util import quote

register = template.Library()

@register.filter

def admin_urlname(value, arg):

    return 'admin:%s_%s_%s' % (value.app_label, value.module_name, arg)

@register.filter

def admin_urlquote(value):

    return quote(value)