libvirt.virsh_cmd: virsh_save_image_edit PEP8 Fix

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
libvirt.virsh_cmd: virsh_sendkey PEP8 Fix

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
libvirt.virsh_cmd: virsh_pool_create PEP8 Fix

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