q-dev: pylint + black

Author: piotrbartman

qubesadmin/backup/restore.py

@@ -50,7 +50,7 @@
 from qubesadmin.backup import BackupVM
 from qubesadmin.backup.core2 import Core2Qubes
 from qubesadmin.backup.core3 import Core3Qubes
-from qubesadmin.device_protocol import DeviceAssignment, Port, VirtualDevice
+from qubesadmin.device_protocol import DeviceAssignment
 from qubesadmin.exc import QubesException
 from qubesadmin.utils import size_to_human