Rename thread to _thread and dummy_thread to _dummy_thread. Issue #2875.
diff --git a/Lib/test/test_threaded_import.py b/Lib/test/test_threaded_import.py
index fbe479c..67d1505 100644
--- a/Lib/test/test_threaded_import.py
+++ b/Lib/test/test_threaded_import.py
@@ -5,7 +5,7 @@
 # complains several times about module random having no attribute
 # randrange, and then Python hangs.
 
-import thread
+import _thread as thread
 from test.support import verbose, TestSkipped, TestFailed
 
 critical_section = thread.allocate_lock()