From 1b7aec35c43360ed1ec699458cc103e3223aac14 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 11 Oct 1999 22:15:41 +0000
Subject: [PATCH] Fix PR#31 -- zfill() mishandles empty string.

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

diff --git a/Lib/string.py b/Lib/string.py
index 92158ee9d37..e449c207656 100644
--- a/Lib/string.py
+++ b/Lib/string.py
@@ -475,7 +475,7 @@ def zfill(x, width):
 	n = len(s)
 	if n >= width: return s
 	sign = ''
-	if s[0] in ('-', '+'):
+	if s[:1] in ('-', '+'):
 		sign, s = s[0], s[1:]
 	return sign + '0'*(width-n) + s