Ticket #8357: 8357.diff

django/contrib/admin/templatetags/admin_modify.py

@@ -8 +8 @@
     the prepopulated fields for both the admin form and inlines.
     """
     prepopulated_fields = []
-    if context["add"]:
+    if context["add"] and getattr(context, 'adminform', False):
         prepopulated_fields.extend(context["adminform"].prepopulated_fields)
-    for inline_admin_formset in context['inline_admin_formsets']:
-        for inline_admin_form in inline_admin_formset:
-            if inline_admin_form.original is None:
-                prepopulated_fields.extend(inline_admin_form.prepopulated_fields)
+    if getattr(context, 'inline_admin_formsets', False):
+        for inline_admin_formset in context['inline_admin_formsets']:
+            for inline_admin_form in inline_admin_formset:
+                if inline_admin_form.original is None:
+                    prepopulated_fields.extend(inline_admin_form.prepopulated_fields)
     context.update({"prepopulated_fields": prepopulated_fields})
     return context
 prepopulated_fields_js = register.inclusion_tag('admin/prepopulated_fields_js.html', takes_context=True)(prepopulated_fields_js)