From 6f9fe3c1592ba2cc44f4197a37fd88447e1a1c53 Mon Sep 17 00:00:00 2001
From: "A.Avenel" <avenel.alexandre@gmail.com>
Date: Sat, 12 Oct 2013 17:28:15 +0200
Subject: [PATCH] bugfix #104 : ZeroDivisionError

- test if self.owers is null before returning value
---
 budget/models.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/budget/models.py b/budget/models.py
index 900b1d0..c1372c0 100644
--- a/budget/models.py
+++ b/budget/models.py
@@ -218,7 +218,10 @@ class Bill(db.Model):
 
     def pay_each(self):
         """Compute what each person has to pay"""
-        return round(self.amount / len(self.owers), 2)
+	if self.owers:
+		return round(self.amount / len(self.owers), 2)
+	else:
+		return 0
 
     def __repr__(self):
         return "<Bill of %s from %s for %s>" % (self.amount,