From 783d03f6b1b09cb4d209ec0b3aa04e8fcdfc1664 Mon Sep 17 00:00:00 2001
From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Mon, 5 Mar 2007 15:32:27 +0100
Subject: [PATCH] [svn] iteration over None does not raise exceptions any more.
 "fixes" #217

--HG--
branch : trunk
---
 jinja/datastructure.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/jinja/datastructure.py b/jinja/datastructure.py
index 0e7a76f..8d2be5c 100644
--- a/jinja/datastructure.py
+++ b/jinja/datastructure.py
@@ -201,6 +201,8 @@ class LoopContext(object):
             self.push(seq)
 
     def push(self, seq):
+        if seq in (Undefined, None):
+            seq = ()
         self._stack.append({
             'index':            -1,
             'seq':              seq,
-- 
2.26.2