mgr/vol: don't import IndexException since it's unused

Introduced-by: 079f722
Signed-off-by: Rishabh Dave <[email protected]>

Author: rishabh-d-dave

src/pybind/mgr/volumes/fs/volume.py

@@ -20,7 +20,7 @@
 
 from .vol_spec import VolSpec
 from .exception import VolumeException, ClusterError, ClusterTimeout, \
-    EvictionError, IndexException
+    EvictionError
 from .async_cloner import Cloner
 from .purge_queue import ThreadPoolPurgeQueueMixin
 from .operations.template import SubvolumeOpType