From c41af1fd8cc1833c6e871cb4f03fadc3819902d2 Mon Sep 17 00:00:00 2001
From: Matt Westcott <matt@west.co.tt>
Date: Fri, 11 Nov 2016 12:07:16 +0000
Subject: [PATCH] Hardcode the module path
 wagtail.wagtailcore.models.PageManager in system check message

The use of Manager.from_queryset means that __module__ / __name__ don't work reliably,
resulting in a misleading message - see https://groups.google.com/d/msg/wagtail/6vZExngYVu4/vQBecOckAwAJ
---
 wagtail/wagtailcore/models.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/wagtail/wagtailcore/models.py b/wagtail/wagtailcore/models.py
index 5b0843d2c..112c2474d 100644
--- a/wagtail/wagtailcore/models.py
+++ b/wagtail/wagtailcore/models.py
@@ -566,8 +566,7 @@ class Page(six.with_metaclass(PageBase, AbstractPage, index.Indexed, Clusterable
             errors.append(
                 checks.Error(
                     "Manager does not inherit from PageManager",
-                    hint="Ensure that custom Page managers inherit from {}.{}".format(
-                        PageManager.__module__, PageManager.__name__),
+                    hint="Ensure that custom Page managers inherit from wagtail.wagtailcore.models.PageManager",
                     obj=cls,
                     id='wagtailcore.E002',
                 )