e9e82cf1f2104264cb8a181f2a3c135757864b08
datetime.strftime('%s') doesn't respect tzinfo see:
http://bugs.python.org/issue12750
Naive time in UTC was converted as a local time
causing test failures in timezone with DST
Change-Id: I0fb5afae91a3b1240402d252b8e3a4fe0497fa05
ceilometer
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Description