diff --git a/diskimage_builder/block_device/blockdevice.py b/diskimage_builder/block_device/blockdevice.py index 7fb938b2..8b859310 100644 --- a/diskimage_builder/block_device/blockdevice.py +++ b/diskimage_builder/block_device/blockdevice.py @@ -13,7 +13,7 @@ # under the License. import codecs -import collections +import collections.abc import json import logging import os @@ -40,7 +40,7 @@ def _load_json(file_name): return None -class BlockDeviceState(collections.MutableMapping): +class BlockDeviceState(collections.abc.MutableMapping): """The global state singleton An reference to an instance of this object is saved into nodes as