--- a/DebugClients/Python/ThreadExtension.py Sat Oct 22 18:35:10 2016 +0200 +++ b/DebugClients/Python/ThreadExtension.py Sun Oct 23 23:12:49 2016 +0200 @@ -233,7 +233,8 @@ self.threads[id] = newThread # adjust current frame - self.threads[id].currentFrame = self.getExecutedFrame(frame) + if "__pypy__" not in sys.builtin_module_names: + self.threads[id].currentFrame = self.getExecutedFrame(frame) # Clean up obsolet because terminated threads self.threads = {id_: thrd for id_, thrd in self.threads.items()