File yawn-1.0-missing_title.patch of Package yawn

Index: mod_python/yawn.py
===================================================================
--- yawn/mod_python/yawn.py.orig	2013-09-23 11:45:11.245449001 +0200
+++ yawn/mod_python/yawn.py	2013-09-23 11:46:34.142276048 +0200
@@ -536,6 +536,8 @@ def _displayInstance(req, inst, instName
                         klassProp.reference_class) + ' <i>Ref</i>'
         else:
             ht+='<td><font color="red">PropNotInSchema</font>'
+        if propTitle is None:
+           propTitle='nopropTitle'
         ht+= '</td><td title="'+cgi.escape(propTitle)+'">'+_makeHref(req, 'GetClass', class_urlargs, key, '#'+key.lower())+'</td><td>'