Fix invalid patch target in disk unit test

diff --git a/src/ceph-volume/ceph_volume/tests/util/test_disk.py b/src/ceph-volume/ceph_volume/tests/util/test_disk.py
index 7082c27d179ae7fb07eb5bbb51f916465ff1dec3..6fbcde9f6f72939c9fea8e531c306c480447581d 100644 (file)
--- a/src/ceph-volume/ceph_volume/tests/util/test_disk.py
+++ b/src/ceph-volume/ceph_volume/tests/util/test_disk.py
@@ -133,7 +133,7 @@ class TestBackingDeviceIsRotational(object):
         fake_filesystem.create_file('/sys/block/dm-0/queue/rotational', contents='0')
         assert disk.BackingDeviceRotation.is_rotational('/dev/dm-0') is True
 
-    @patch('ceph_volume.util.disk._kname_for_sysfs_walk', side_effect=lambda kname: kname)
+    @patch('ceph_volume.util.disk.BackingDeviceRotation._kname_for_sysfs_walk', side_effect=lambda kname: kname)
     @patch('ceph_volume.util.disk.os.path.exists', return_value=True)
     @patch('ceph_volume.util.disk.UdevData')
     def test_leaf_block_uses_udev_hints(