From 4db4a86420d9dd6e83489221b40f8bf828b0662e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Mart=C3=AD?= <mvdan@mvdan.cc>
Date: Sun, 7 Jun 2015 14:02:50 +0200
Subject: [PATCH] Always make sure that we don't encode None

Apparently, we can have a non-nil element that has a nil text.
---
 fdroidserver/common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fdroidserver/common.py b/fdroidserver/common.py
index c2eb4388..f031b193 100644
--- a/fdroidserver/common.py
+++ b/fdroidserver/common.py
@@ -888,7 +888,7 @@ def retrieve_string(app_dir, string, xmlfiles=None):
             continue
         xml = parse_xml(path)
         element = xml.find('string[@name="' + name + '"]')
-        if element is not None:
+        if element is not None and element.text is not None:
             return retrieve_string(app_dir, element.text.encode('utf-8'), xmlfiles)
 
     return ''