Fix lint errors introduced during cherry-pick
Fix lint errors introduced during cherry-pick

Calm a few lint errors introduced during cherry-picking code in
qa_job_utils.py. The fixes were intentionally made in a way which should
produce merge conflicts later on, so it's not forgotten to undo them.

Signed-off-by: Thomas Thrainer <98bdeac947eb8ca18146e9ce7f092788ec242cd1@google.com>
Reviewed-by: Helga Velroyen <2d0126b1ec6f9ec5cbec4a7012aa14faeaef10f5@google.com>

mbakke/ganeti,onponomarev/ganeti,andir/ganeti,leshchevds/ganeti,apyrgio/ganeti,onponomarev/ganeti,apyrgio/snf-ganeti,apyrgio/snf-ganeti,andir/ganeti,leshchevds/ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,yiannist/ganeti,ganeti/ganeti,mbakke/ganeti,bitemyapp/ganeti,ganeti/ganeti,dimara/ganeti,mbakke/ganeti,andir/ganeti,yiannist/ganeti,ganeti-github-testing/ganeti-test-1,grnet/snf-ganeti,leshchevds/ganeti,ganeti/ganeti,dimara/ganeti,grnet/snf-ganeti,bitemyapp/ganeti,apyrgio/ganeti