use PyImport_ExtendInittab for py module initialization rather then adding to sys.modules directly, no functional change.

source/blender/python/intern/bpy_operator.c

@@ -313,14 +313,8 @@ static struct PyModuleDef bpy_ops_module = {
 PyObject *BPY_operator_module(void)
 {
 	PyObject *submodule;
-	
-	submodule= PyModule_Create(&bpy_ops_module);
-	PyDict_SetItemString(PyImport_GetModuleDict(), bpy_ops_module.m_name, submodule);
 
-	/* INCREF since its its assumed that all these functions return the
-	 * module with a new ref like PyDict_New, since they are passed to
-	  * PyModule_AddObject which steals a ref */
-	Py_INCREF(submodule);
+	submodule= PyModule_Create(&bpy_ops_module);
 
 	return submodule;
 }