Refs -- Clarified database state of instances in signals.pre_init docs.
@@ -99,6 +99,13 @@ Arguments sent with this signal:
``instance``
The actual instance of the model that's just been created.
+ .. note::
+
+ ``instance._state`` isn't set before sending the ``post_init`` signal,
+ so ``_state`` attributes always have their default values. For example,
+ ``_state.db`` is ``None`` and cannot be used to check an ``instance``
+ database.
+
``pre_save``
------------
