diff -r a2f733f900c0 -r fc0f3e398166 server/virtualenv/web/res/patch/oauth2.diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/virtualenv/web/res/patch/oauth2.diff	Fri May 29 02:22:11 2015 +0200
@@ -0,0 +1,11 @@
+diff -r 7ea87e3229fd5c4eebd0 oauth2/__init__.py
+@@ -385,386 +385,391 @@
+        url_items = self._split_url_string(query).items()
+        non_oauth_url_items = list([(k, v) for k, v in url_items  if not k.startswith('oauth_')])
+        
+-       items.extend(non_oauth_url_items)
++       for (key,value) in non_oauth_url_items:
++           if (key,value) not in items:
++               items.append((key,value))
+    
+        encoded_str = urllib.urlencode(sorted(items))
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