[py3] Added compatibility import of thread/_thread

This commit fixes the auto-reload of the development server.

I should have done that change in ca07fda2.

django/db/backends/__init__.py

@@ -1,7 +1,7 @@
 from django.db.utils import DatabaseError
 
 try:
-    import thread
+    from django.utils.six.moves import _thread as thread
 except ImportError:
     from django.utils.six.moves import _dummy_thread as thread
 from contextlib import contextmanager

django/utils/autoreload.py

@@ -31,7 +31,7 @@
 import os, sys, time, signal
 
 try:
-    import thread
+    from django.utils.six.moves import _thread as thread
 except ImportError:
     from django.utils.six.moves import _dummy_thread as thread
 

django/utils/six.py

@@ -365,4 +365,6 @@ def iterlists(d):
     """Return an iterator over the values of a MultiValueDict."""
     return getattr(d, _iterlists)()
 
+
 add_move(MovedModule("_dummy_thread", "dummy_thread"))
+add_move(MovedModule("_thread", "thread"))

docs/topics/python3.txt

@@ -122,8 +122,8 @@ Moved modules
 Some modules were renamed in Python 3. The :mod:`django.utils.six.moves
 <six.moves>` module provides a compatible location to import them.
 
-In addition to six' defaults, Django's version provides ``dummy_thread`` as
-``_dummy_thread``.
+In addition to six' defaults, Django's version provides ``thread`` as
+``_thread`` and ``dummy_thread`` as ``_dummy_thread``.
 
 PY3
 ---