From 429d299b232e02dc1eca839b72887f01d300120c Mon Sep 17 00:00:00 2001
From: ryan <hendersonry@gmail.com>
Date: Mon, 18 Jul 2016 15:07:10 +0200
Subject: [PATCH] simplify query

---
 bigchaindb/core.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/bigchaindb/core.py b/bigchaindb/core.py
index a4afa583..3ee5541d 100644
--- a/bigchaindb/core.py
+++ b/bigchaindb/core.py
@@ -577,9 +577,8 @@ class Bigchain(object):
             # get the latest value for the vote timestamp (over all votes)
             max_timestamp = r.table('votes') \
                 .filter(r.row['node_pubkey'] == self.me) \
-                .concat_map(lambda x: [x['vote']['timestamp']]) \
-                .max() \
-                .run(self.conn)
+                .max(lambda x: x['vote']['timestamp']) \
+                .run(self.conn)['vote']['timestamp']
 
             last_voted = list(r.table('votes') \
                 .filter(r.row['node_pubkey'] == self.me) \