From c5773e8f199fdab542c8830a644fd00932b1c262 Mon Sep 17 00:00:00 2001
From: Gonzalo Odiard <godiard@sugarlabs.org>
Date: Tue, 19 Oct 2010 12:45:55 +0000
Subject: fix error writing file if there are not a url in the location bar

---
diff --git a/browser.py b/browser.py
index 8e1dab5..7b0ec1d 100644
--- a/browser.py
+++ b/browser.py
@@ -300,6 +300,8 @@ class Browser(WebView):
         """
         get a nsIURI object and return a string with the url
         """
+        if uri == None:
+            return ''
         cls = components.classes['@mozilla.org/intl/texttosuburi;1']
         texttosuburi = cls.getService(interfaces.nsITextToSubURI)
         return texttosuburi.unEscapeURIForUI(uri.originCharset, uri.spec)
--
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