Stopped returning mirrors from setup_databases.

The return value of setup_databases is only used as an argument for
teardown_databases which doesn't need mirrors.

1 files changed, 7 insertions, 0 deletions

diff --git a/docs/releases/1.9.txt b/docs/releases/1.9.txt
index cf7909057b..a0219bd370 100644
--- a/docs/releases/1.9.txt
+++ b/docs/releases/1.9.txt
@@ -995,6 +995,7 @@ Miscellaneous
 * Private function ``django.utils.functional.total_ordering()`` has been
   removed. It contained a workaround for a ``functools.total_ordering()`` bug
   in Python versions older than 2.7.3.
+
 * XML serialization (either through :djadmin:`dumpdata` or the syndication
   framework) used to output any characters it received. Now if the content to
   be serialized contains any control characters not allowed in the XML 1.0
@@ -1023,6 +1024,12 @@ Miscellaneous
   as it's unused by the application. If your project or a third-party app makes
   use of it, :ref:`create a custom ModelAdmin <flatpages-admin>` to add it back.
 
+* The return value of
+  :meth:`~django.test.runner.DiscoverRunner.setup_databases` and the first
+  argument of :meth:`~django.test.runner.DiscoverRunner.teardown_databases`
+  changed. They used to be ``(old_names, mirrors)`` tuples. Now they're just
+  the first item, ``old_names``.
+
 .. _deprecated-features-1.9:
 
 Features deprecated in 1.9