From 9d36dd97f68a02aec13b3345b09e8dff1c880515 Mon Sep 17 00:00:00 2001
From: Adam Holmberg <Adam.Holmberg@datastax.com>
Date: Wed, 20 Jul 2016 13:03:52 -0500
Subject: [PATCH] No need to null the loop reference during cleanup

This removes a small (but inconsequential) race on shutdown, where the
loop thread could access None when trying to start.

PYTHON-578
---
 cassandra/io/libevreactor.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/cassandra/io/libevreactor.py b/cassandra/io/libevreactor.py
index 89e08cb1..9b19d1f3 100644
--- a/cassandra/io/libevreactor.py
+++ b/cassandra/io/libevreactor.py
@@ -135,7 +135,6 @@ class LibevLoop(object):
                 "Please call Cluster.shutdown() to avoid this.")
 
         log.debug("Event loop thread was joined")
-        self._loop = None
 
     def add_timer(self, timer):
         self._timers.add_timer(timer)