From fedd44a5b04d4cb6a15d2994671447e8d6558498 Mon Sep 17 00:00:00 2001
From: imdano <>
Date: Wed, 20 Aug 2008 14:09:47 +0000
Subject: [PATCH] trunk/experiementa/pluggablebackends: - Fix crash due to
 _sanitize_string getting None passed in.

---
 wnettools.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/wnettools.py b/wnettools.py
index c0ab3e8..2ecadea 100644
--- a/wnettools.py
+++ b/wnettools.py
@@ -80,6 +80,10 @@ SIOCGIWAP = 0x8B15
 def _sanitize_string(string):
     blacklist = [';', '`', '$', '!', '*', '|', '>', '<']
     new_string = []
+    
+    if not string:
+        return string
+  
     for c in string:
         if c in blacklist:
             new_string.append("\\" + c)