Create the dbm package from PEP 3108. #2881.
diff --git a/Modules/_threadmodule.c b/Modules/_threadmodule.c
index 971ff56..5b8fc98 100644
--- a/Modules/_threadmodule.c
+++ b/Modules/_threadmodule.c
@@ -127,7 +127,7 @@
 
 static PyTypeObject Locktype = {
 	PyVarObject_HEAD_INIT(&PyType_Type, 0)
-	"thread.lock",			/*tp_name*/
+	"_thread.lock",			/*tp_name*/
 	sizeof(lockobject),		/*tp_size*/
 	0,				/*tp_itemsize*/
 	/* methods */
@@ -336,7 +336,7 @@
 
 static PyTypeObject localtype = {
 	PyVarObject_HEAD_INIT(NULL, 0)
-	/* tp_name           */ "thread._local",
+	/* tp_name           */ "_thread._local",
 	/* tp_basicsize      */ sizeof(localobject),
 	/* tp_itemsize       */ 0,
 	/* tp_dealloc        */ (destructor)local_dealloc,