Fix pep8 on if condition.
Fix pep8 on if condition.

Change-Id: Ia6fde8c3428cb1324a6479aa1687041afb389b0e

Linaro/lava-server,OSSystems/lava-server,OSSystems/lava-server,OSSystems/lava-server,Linaro/lava-server,Linaro/lava-server,Linaro/lava-server