From e20c3bdb6bea10d56e72d903952875da53cabd90 Mon Sep 17 00:00:00 2001
From: "A.Avenel" <avenel.alexandre@gmail.com>
Date: Thu, 3 Nov 2011 13:33:11 +0100
Subject: [PATCH] Small fix in CommaDecimalField class

---
 budget/forms.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/budget/forms.py b/budget/forms.py
index 8db90be..f5c3fb5 100644
--- a/budget/forms.py
+++ b/budget/forms.py
@@ -48,7 +48,8 @@ def get_billform_for(project, set_default=True, **kwargs):
 class CommaDecimalField(DecimalField):
     """A class to deal with comma in Decimal Field"""
     def process_formdata(self, value):
-        value[0] = str(value[0]).replace(',', '.')
+        if value:
+            value[0] = str(value[0]).replace(',', '.')
         return super(CommaDecimalField, self).process_formdata(value)