generic: iofuzz - PEP8 Fix

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
generic: vlan - PEP8 Fix

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
qemu: ping_kill_test - PEP8 Fix

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>