#
# SPDX-License-Identifier: Apache-2.0
-from __future__ import absolute_import
-from __future__ import division
-from future import standard_library
-standard_library.install_aliases()
-from builtins import str
-from builtins import range
-from builtins import object
import hashlib
-import mock
-from mock import patch
import os
import errno
import pycurl
import urllib.parse
import mmap
+from unittest import mock
+from unittest.mock import patch
+
import parameterized
import arvados