bug in search form

cao_sunyata/models/entries.py

@@ -28,7 +28,7 @@ def get_entries_by_criteria(request, criteria):
     else:
         if request.authenticated_userid != 'admin':
             # if user is not 'admin', hide admin posts
-            query =  query + " AND tag =! '_admin'"
+            query =  query + " AND tag != '_admin'"
     query = query + " ORDER BY title;"
     results = request.dbsession.execute(query).fetchall()
     return results