Added AppConfig.setup() to run setup code.

1 files changed, 6 insertions, 0 deletions

diff --git a/docs/ref/applications.txt b/docs/ref/applications.txt
index 8505784737..5d9db49140 100644
--- a/docs/ref/applications.txt
+++ b/docs/ref/applications.txt
@@ -166,6 +166,12 @@ Methods
     ``model_name``. Raises :exc:`~exceptions.LookupError` if no such model
     exists. ``model_name`` is case-insensitive.
 
+.. method:: AppConfig.setup()
+
+    Subclasses can override this method to perform setup tasks such as
+    registering signals. It is called as soon as the registry is fully
+    populated.
+
 Application registry
 ====================