From 9e703042206866c0c2e3d1d4bcc8c65e0026cceb Mon Sep 17 00:00:00 2001
From: Florian Mounier <florian.mounier@kozea.fr>
Date: Fri, 7 Oct 2011 19:11:16 +0200
Subject: [PATCH] Oops

---
 pygal/util/__init__.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pygal/util/__init__.py b/pygal/util/__init__.py
index 2d5d7b5..7c04d96 100644
--- a/pygal/util/__init__.py
+++ b/pygal/util/__init__.py
@@ -4,8 +4,9 @@ import itertools
 import datetime
 
 
-def node(parent, tag, params={}, **extras):
+def node(parent, tag, params=None, **extras):
     """Make a etree node"""
+    params = params or {}
     for key, value in params.items():
         if not isinstance(value, basestring):
             params[key] = str(value)