21356: Remove all Python 2/3 compatibility imports

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

diff --git a/sdk/python/tests/test_cache.py b/sdk/python/tests/test_cache.py
index 9cf665babc9047729288db2d8b0291ca8b111d46..41984a5bf916dd7767855e0ca9f6b58912fd6c76 100644 (file)
--- a/sdk/python/tests/test_cache.py
+++ b/sdk/python/tests/test_cache.py
@@ -1,10 +1,8 @@
-from __future__ import print_function
-from __future__ import absolute_import
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
 
-from builtins import str
-from builtins import range
 import hashlib
-import mock
 import os
 import random
 import shutil
@@ -13,11 +11,12 @@ import tempfile
 import threading
 import unittest
 
+from unittest import mock
+
 import arvados
 import arvados.cache
 from . import run_test_server
 
-
 def _random(n):
     return bytearray(random.getrandbits(8) for _ in range(n))