Index: Lib/test/regrtest.py
===================================================================
--- Lib/test/regrtest.py	(Revision 60436)
+++ Lib/test/regrtest.py	(Arbeitskopie)
@@ -710,7 +710,7 @@
     sys.path_importer_cache.update(pic)
 
     # clear type cache
-    sys._cleartypecache()
+    gc.clear_type_cache()
 
     # Clear ABC registries, restoring previously saved ABC registries.
     for abc in [getattr(_abcoll, a) for a in _abcoll.__all__]: