From 6cd89063fd41f9367afc834ef87e4ac711fc37ba Mon Sep 17 00:00:00 2001
From: Florian Mounier <florian.mounier@kozea.fr>
Date: Wed, 18 Jul 2012 10:40:32 +0200
Subject: [PATCH] python 3 None comparison fix

---
 pygal/util.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pygal/util.py b/pygal/util.py
index 2c6d200..bbffa2b 100644
--- a/pygal/util.py
+++ b/pygal/util.py
@@ -159,11 +159,11 @@ def compute_scale(min_, max_, logarithmic=False, order_min=None,
             return log_scale
             # else we fallback to normal scalling
     order = round(log10(max(abs(min_), abs(max_)))) - 1
-    if order < order_min:
+    if order_min is not None and order < order_min:
         order = order_min
     else:
         while ((max_ - min_) / (10 ** order) < min_scale and
-               (order_min == None or order > order_min)):
+               (order_min is None or order > order_min)):
             order -= 1
     step = float(10 ** order)
     while (max_ - min_) / step > max_scale: