From 2775630ef878607dc6a1fc7398729cd9fcfb018b Mon Sep 17 00:00:00 2001
From: Jim Witschey <jim.witschey@gmail.com>
Date: Tue, 6 Jun 2017 16:30:59 -0400
Subject: [PATCH] give more info in deprecation warning

---
 cassandra/policies.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cassandra/policies.py b/cassandra/policies.py
index c617c95c..418055ba 100644
--- a/cassandra/policies.py
+++ b/cassandra/policies.py
@@ -424,7 +424,8 @@ class WhiteListRoundRobinPolicy(RoundRobinPolicy):
         connections to.
         """
         msg = ('WhiteListRoundRobinPolicy is deprecated. '
-               'It will be removed in 4.0.')
+               'It will be removed in 4.0. '
+               'It can effectively be reimplemented using HostFilterPolicy.')
         warn(msg, DeprecationWarning)
         # DeprecationWarnings are silent by default so we also log the message
         log.warning(msg)