nautilus: mgr/volumes: fix import typing error

... for python versions earlier than 3.5.

Signed-off-by: Ramana Raja <rraja@redhat.com>

diff --git a/src/pybind/mgr/volumes/fs/operations/volume.py b/src/pybind/mgr/volumes/fs/operations/volume.py
index a4d28ffc1b7282c4658a26fd0c5d107a86386e7c..f4814fff5d59dd7cf5255d870109a038093145d2 100644 (file)
--- a/src/pybind/mgr/volumes/fs/operations/volume.py
+++ b/src/pybind/mgr/volumes/fs/operations/volume.py
@@ -3,7 +3,10 @@ import errno
 import logging
 import sys
 
-from typing import List
+try:
+    from typing import List
+except ImportError:
+    pass  # For typing only
 
 from contextlib import contextmanager
 from threading import Lock, Condition