From 1ef9c837b7c61e20db8e2aceeb34e450e92405f9 Mon Sep 17 00:00:00 2001
From: Collin Winter <collinw@gmail.com>
Date: Wed, 20 May 2009 16:49:12 +0000
Subject: Issue 6066: POP_MARK was not in pickle protocol 0.

---
 Lib/pickletools.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/pickletools.py b/Lib/pickletools.py
index 7121c2a..065498c 100644
--- a/Lib/pickletools.py
+++ b/Lib/pickletools.py
@@ -1348,7 +1348,7 @@ opcodes = [
       arg=None,
       stack_before=[markobject, stackslice],
       stack_after=[],
-      proto=0,
+      proto=1,
       doc="""Pop all the stack objects at and above the topmost markobject.
 
       When an opcode using a variable number of stack objects is done,
-- 
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