From 3bb939d3fe62e3a5f6d986922840cd883340f134 Mon Sep 17 00:00:00 2001
From: ortgit <pallav.negi@gmail.com>
Date: Mon, 14 Apr 2014 01:55:30 -0400
Subject: [PATCH] Check whether record is None before trying to read its keys
 otherwise app crashes on GAE (and other memdb's)

---
 gluon/contrib/memdb.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gluon/contrib/memdb.py b/gluon/contrib/memdb.py
index e121e472..6ad9b159 100644
--- a/gluon/contrib/memdb.py
+++ b/gluon/contrib/memdb.py
@@ -294,6 +294,8 @@ class Table(DALStorage):
 
     def __call__(self, id, **kwargs):
         record = self.get(id)
+        if record is None:
+          return None
         if kwargs and any(record[key]!=kwargs[key] for key in kwargs):
             return None
         return record