pyocf: add missing import Volume in cache
@@ -39,7 +39,7 @@ from .io import IoDir
from .ioclass import IoClassesInfo, IoClassInfo
from .stats.shared import UsageStats, RequestsStats, BlocksStats, ErrorsStats
from .ctx import OcfCtx
-from .volume import RamVolume
+from .volume import RamVolume, Volume
class Backfill(Structure):
_fields_ = [("_max_queue_size", c_uint32), ("_queue_unblock_size", c_uint32)]
