From 9bf8ca9c3b756accbaf6d0f88eb78e891c1028fb Mon Sep 17 00:00:00 2001
From: Roald Osinga <roald@shoppingminds.com>
Date: Fri, 5 Jan 2018 11:49:20 +0100
Subject: [PATCH] made cas_provider response py3 compatible

---
 gluon/tools.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gluon/tools.py b/gluon/tools.py
index f57e8dd7..716dafcd 100644
--- a/gluon/tools.py
+++ b/gluon/tools.py
@@ -2498,9 +2498,9 @@ class Auth(AuthAPI):
                 success = True
 
         def build_response(body):
-            return '<?xml version="1.0" encoding="UTF-8"?>\n' +\
-                TAG['cas:serviceResponse'](
-                    body, **{'_xmlns:cas': 'http://www.yale.edu/tp/cas'}).xml()
+            xml_body = to_native(TAG['cas:serviceResponse'](
+                    body, **{'_xmlns:cas': 'http://www.yale.edu/tp/cas'}).xml())
+            return '<?xml version="1.0" encoding="UTF-8"?>\n' + xml_body
         if success:
             if version == 1:
                 message = 'yes\n%s' % user[userfield]