From c8076dfa9dfafbb5455c127719e3ac5b325986b1 Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Sat, 25 Aug 2012 10:11:57 +0200
Subject: [PATCH] Fix wrong way of adding Error information in shutil.copytree.

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

diff --git a/Lib/shutil.py b/Lib/shutil.py
index 2d7a506b2e..ef29ae2303 100644
--- a/Lib/shutil.py
+++ b/Lib/shutil.py
@@ -236,7 +236,7 @@ def copytree(src, dst, symlinks=False, ignore=None, copy_function=copy2,
             # Copying file access times may fail on Windows
             pass
         else:
-            errors.extend((src, dst, str(why)))
+            errors.append((src, dst, str(why)))
     if errors:
         raise Error(errors)
 
-- 
2.50.0