21356: Remove all Python 2/3 compatibility imports

[arvados.git] / sdk / python / tests / test_collections.py

diff --git a/sdk/python/tests/test_collections.py b/sdk/python/tests/test_collections.py
index 9e753506b3550d66b8939f355496c64f6abfb031..5d574856dd2b5610dca2fb58aaf2dcf68b38165e 100644 (file)
--- a/sdk/python/tests/test_collections.py
+++ b/sdk/python/tests/test_collections.py
@@ -2,12 +2,8 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-from __future__ import absolute_import
-
-from builtins import object
 import arvados
 import copy
-import mock
 import os
 import random
 import re
@@ -18,6 +14,8 @@ import time
 import unittest
 import parameterized
 
+from unittest import mock
+
 from . import run_test_server
 from arvados._ranges import Range, LocatorAndRange
 from arvados.collection import Collection, CollectionReader