From: Georg Brandl <georg@python.org>
Date: Sat, 28 Oct 2006 16:04:07 +0000 (+0000)
Subject: Fix nth() itertool recipe.
X-Git-Tag: v2.5.1c1~290
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=aabdd5480c23120eae18cdf1c45ae71814ac2eb9;p=python

Fix nth() itertool recipe.
 (backport from rev. 52497)
---

diff --git a/Doc/lib/libitertools.tex b/Doc/lib/libitertools.tex
index 20bbc8dd76..59fbd98844 100644
--- a/Doc/lib/libitertools.tex
+++ b/Doc/lib/libitertools.tex
@@ -474,8 +474,8 @@ def iteritems(mapping):
     return izip(mapping.iterkeys(), mapping.itervalues())
 
 def nth(iterable, n):
-    "Returns the nth item"
-    return list(islice(iterable, n, n+1))
+    "Returns the nth item or raise IndexError"
+    return list(islice(iterable, n, n+1))[0]
 
 def all(seq, pred=None):
     "Returns True if pred(x) is true for every element in the iterable"