build: Output isort diff
build: Output isort diff

Change-Id: I7c8d89799704de9e14bb5f11934b0a32662b2594
Signed-off-by: Yedidyah Bar David <e7f2f616ce8817ad893bbeaad3e942e94c69d323@redhat.com>

oVirt/ovirt-hosted-engine-setup,oVirt/ovirt-hosted-engine-setup