Enable pep8 E121/E122/E123 checking

Change-Id: I686f2b7895868e6ebaabe5d274e3efde2dd9c441
Enable pep8 E128 checking

Change-Id: I31dc17f0faaae1c32e5106873fd13158376367f7
Enable pep8 E711/E712/E721/H302 checking

Change-Id: I229f1c15b46284fae94d4c786765baa18da0055f