diff --git a/examples/webcrawler.py b/examples/webcrawler.py
index a4f5e2a..50349be 100644
--- a/examples/webcrawler.py
+++ b/examples/webcrawler.py
@@ -8,19 +8,22 @@ The prints in the body of the fetch function are there to demonstrate that the
 requests are truly made in parallel.
 """
 
-urls = ["http://www.google.com/intl/en_ALL/images/logo.gif",
-     "https://wiki.secondlife.com/w/images/secondlife.jpg",
-     "http://us.i1.yimg.com/us.yimg.com/i/ww/beta/y3.gif"]
+urls = (
+    "https://www.google.com/intl/en_ALL/images/logo.gif",
+    "http://python.org/images/python-logo.gif",
+    "http://us.i1.yimg.com/us.yimg.com/i/ww/beta/y3.gif"
+)
 
 import eventlet
-from eventlet.green import urllib2  
+from eventlet.green import urllib2
+
 
 def fetch(url):
-  print "opening", url
-  body = urllib2.urlopen(url).read()
-  print "done with", url
-  return url, body
+    print "opening", url
+    body = urllib2.urlopen(url).read()
+    print "done with", url
+    return url, body
 
 pool = eventlet.GreenPool(200)
 for url, body in pool.imap(fetch, urls):
-  print "got body from", url, "of length", len(body)
\ No newline at end of file
+    print "got body from", url, "of length", len(body)