Fixed example.

Author: arut

README.rst

@@ -185,8 +185,8 @@ part of nginx configuration file from a remote server::
 
     # nginx.conf
 
-    python 'from urllib import URLopener';
-    python 'URLopener().retrieve("http://127.0.0.1:8888/nginx.conf", "/tmp/nginx.conf")';
+    python 'import urllib';
+    python 'urllib.FancyURLopener().retrieve("http://127.0.0.1:8888/nginx.conf", "/tmp/nginx.conf")';
 
     include /tmp/nginx.conf;