From 85ee491b3af3e1c124522249a52443b4d8c34c88 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 26 Mar 2002 00:51:56 +0000
Subject: [PATCH] Fix for SF 502085. Don't die when issubclass(t, TypeType)
 fails.

Bugfix candidate (but I think it's too late for 2.2.1).
---
 Lib/pickle.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Lib/pickle.py b/Lib/pickle.py
index 7e8e6656683..21ea21536fa 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -164,7 +164,11 @@ class Pickler:
         try:
             f = self.dispatch[t]
         except KeyError:
-            if issubclass(t, TypeType):
+            try:
+                issc = issubclass(t, TypeType)
+            except TypeError: # t is not a class
+                issc = 0
+            if issc:
                 self.save_global(object)
                 return