From: Guido van Rossum <guido@python.org>
Date: Mon, 26 Feb 2007 07:07:02 +0000 (+0000)
Subject: Fix a bizarre error where test_pickletools fails if preceded by test_pyclbr.
X-Git-Tag: v3.0a1~1181
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=634e53fad4874ce7a4e822a9e93e6a9c616b652a;p=thirdparty%2FPython%2Fcpython.git

Fix a bizarre error where test_pickletools fails if preceded by test_pyclbr.
The fix is in neither, but in pickle.py where a loop over sys.modules.items()
could modify sys.modules, occasionally.
---

diff --git a/Lib/pickle.py b/Lib/pickle.py
index db7f5124e587..3d2ebd26e4a6 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -791,7 +791,7 @@ def whichmodule(func, funcname):
     if func in classmap:
         return classmap[func]
 
-    for name, module in sys.modules.items():
+    for name, module in list(sys.modules.items()):
         if module is None:
             continue # skip dummy package entries
         if name != '__main__' and getattr(module, funcname, None) is func: