Gracefully handle models not registered in admin when rendering

papertrail entry admin pages. Bump version to 1.1.6

CHANGELOG.md

@@ -1,3 +1,7 @@
+Version 1.1.6
+------------------------
+*   Gracefully handle models not registered in admin when rendering papertrail entry admin pages.
+
 Version 1.1.5
 ------------------------
 *   Update the `message` field to be a TextField.

papertrail/__init__.py

@@ -1,2 +1,2 @@
-__version__ = '1.1.5'
+__version__ = '1.1.6'
 default_app_config = 'papertrail.apps.PapertrailConfig'

papertrail/admin.py

@@ -8,6 +8,7 @@
 from django.core.urlresolvers import reverse
 from django.db.models import Q
 from django.shortcuts import get_object_or_404, render
+from django.urls import NoReverseMatch
 from django.utils.encoding import force_text
 from django.utils.html import format_html
 from django.utils.text import capfirst
@@ -255,11 +256,14 @@ class EntryRelatedObjectInline(admin.StackedInline):
 
     def related_model(self, obj):
         related_obj = obj.related_object
-        return format_html(
-            u'<a href="{}">{}</a>',
-            admin_reverse_for_model(related_obj),
-            related_obj,
-        )
+        try:
+            return format_html(
+                u'<a href="{}">{}</a>',
+                admin_reverse_for_model(related_obj),
+                related_obj,
+            )
+        except NoReverseMatch:
+            return format_html(u'{}', related_obj)
 
 
 @admin.register(Entry)

setup.py

@@ -9,7 +9,7 @@
 
 setup(
     name='django-papertrail',
-    version='1.1.5',
+    version='1.1.6',
     packages=['papertrail'],
     install_requires=[
         'Django>=1.7',