pep8 fix

Change-Id: If952c8ed0d67e8adc0087a4fe6c94b2f006511b9
pep8 fix

Change-Id: I2096cd8d8f1570aabe46abd366d402dab6d3648c
master: initialize self.proc

Change-Id: I2e0f8be7c06c15dfe96ae0566772e0828fe4b4b5
Merge branch 'master' into staging