From c916b6cb84c60a0e1a2f1afea8b56fd15bdbb977 Mon Sep 17 00:00:00 2001
From: Romain Courteaud <romain@nexedi.com>
Date: Wed, 13 Oct 2010 12:25:34 +0000
Subject: [PATCH] Do not concatenate None type object with string.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@39100 20353a03-c40f-0410-a6d1-a30d3c3de9de
---
 product/ERP5Type/tests/Sequence.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/product/ERP5Type/tests/Sequence.py b/product/ERP5Type/tests/Sequence.py
index 1ae8f623fa..f7ae0b11df 100644
--- a/product/ERP5Type/tests/Sequence.py
+++ b/product/ERP5Type/tests/Sequence.py
@@ -58,6 +58,8 @@ def special_extract_tb(tb, limit = None):
         
         # display where we failed in the sequence
         if co == Sequence.play.func_code:
+          if line is None:
+            line = ''
           line += '\n    Current Sequence:'
           sequence = f.f_locals['self']
           for idx, step in enumerate(sequence._step_list):
-- 
2.30.9