#
# SPDX-License-Identifier: Apache-2.0
-from builtins import str
-from builtins import object
-
import arvados_cwl
import arvados_cwl.context
import arvados_cwl.util
import copy
import arvados.config
import logging
-import mock
import unittest
import os
import functools
from schema_salad.sourceline import cmap
import io
+from unittest import mock
+
from .matcher import JsonDiffMatcher, StripYAMLComments
from .mock_discovery import get_rootDesc