From a3bad593a6fdfc7001c446331a09cf6fa67c1148 Mon Sep 17 00:00:00 2001
From: Roman Zeyde <roman.zeyde@gmail.com>
Date: Sat, 19 Jul 2014 18:22:49 +0300
Subject: [PATCH] ecc should return None if nothing was decoded

---
 ecc.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ecc.py b/ecc.py
index 40d0ed7..b3f2948 100644
--- a/ecc.py
+++ b/ecc.py
@@ -39,7 +39,7 @@ def decode(data, nsym=DEFAULT_NSYM):
             log.debug('Decoding stopped: %s', e)
             break
 
-    if i == 0:
+    if not dec:
         return None
 
     overhead = (i - len(dec)) / float(i)