Fix for SF 502085.

gvanrossum · gvanrossum · commit 85ee491b3af3 · 2002-03-26T00:51:56.000Z
Don't die when issubclass(t, TypeType) fails.

Bugfix candidate (but I think it's too late for 2.2.1).
diff --git a/Lib/pickle.py b/Lib/pickle.py
@@ -164,7 +164,11 @@ def save(self, object, pers_save = 0):
         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
 
