From a74c673debb9c4e5cb26c732a52624b41e8cfadb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 14 Apr 2008 14:35:51 +0200
Subject: [PATCH] Fix typo error in report

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

diff --git a/trytond/report/report.py b/trytond/report/report.py
index c5bd7ee415..8c4720879e 100644
--- a/trytond/report/report.py
+++ b/trytond/report/report.py
@@ -331,7 +331,7 @@ class Report(object):
         return None
 
     def remove_parent_node(self, tag='p', tnode=None):
-        node = self.find_parent(node, [tag])
+        node = self.find_parent(tnode, [tag])
         if node:
             pnode = node.parentNode
             pnode.removeChild(node)
@@ -365,7 +365,7 @@ class Report(object):
                                 _language_cache[lang][table][obj_id]
                     else:
                         obj._cache[table][obj_id] = {'id': obj_id}
-        return None
+        return ''
 
     def format_lang(self, value, digits=2, date=False, localcontext=None):
         if localcontext is None: