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authorZhongyue Luo <zhongyue.nah@intel.com>2013-05-10 23:15:08 +0800
committerZhongyue Luo <zhongyue.nah@intel.com>2013-05-13 18:15:10 +0800
commita51469326e84ed977ecc4e57fd3d46cdc21aa08f (patch)
treea22f42c9bf362d06f43efd618579345f74a785cf /openstack/common/rpc/matchmaker.py
parent20379f2816774469287502cf857dc01a93ad1370 (diff)
downloadoslo-a51469326e84ed977ecc4e57fd3d46cdc21aa08f.tar.gz
oslo-a51469326e84ed977ecc4e57fd3d46cdc21aa08f.tar.xz
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Removes len() on empty sequence evaluation
PEP8 suggestes, "For sequences, use the fact that empty sequences are false." Change-Id: I4c600a7a6230a55328ee46f7c59f340f37abc18f
Diffstat (limited to 'openstack/common/rpc/matchmaker.py')
-rw-r--r--openstack/common/rpc/matchmaker.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/openstack/common/rpc/matchmaker.py b/openstack/common/rpc/matchmaker.py
index 7366246..3d72ae7 100644
--- a/openstack/common/rpc/matchmaker.py
+++ b/openstack/common/rpc/matchmaker.py
@@ -245,7 +245,7 @@ class HeartbeatMatchMakerBase(MatchMakerBase):
yielding for CONF.matchmaker_heartbeat_freq seconds
between iterations.
"""
- if len(self.hosts) == 0:
+ if not self.hosts:
raise MatchMakerException(
_("Register before starting heartbeat."))