From 1fabef18bf586be4e12f71c8a8b03639f5eb590a Mon Sep 17 00:00:00 2001
From: Dana Powers <dana.powers@gmail.com>
Date: Tue, 2 Feb 2016 08:01:45 -0800
Subject: [PATCH] Fixup: _send_offset_commit_request future should succeed w/
 True, not None

---
 kafka/coordinator/consumer.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kafka/coordinator/consumer.py b/kafka/coordinator/consumer.py
index 263dac0..a393d7e 100644
--- a/kafka/coordinator/consumer.py
+++ b/kafka/coordinator/consumer.py
@@ -399,7 +399,8 @@ class ConsumerCoordinator(BaseCoordinator):
         assert all(map(lambda v: isinstance(v, OffsetAndMetadata),
                        offsets.values()))
         if not offsets:
-            return Future().success(None)
+            log.debug('No offsets to commit')
+            return Future().success(True)
 
         if self.config['api_version'] >= (0, 8, 2):
             if self.coordinator_unknown():