X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/540b72d62a94015f116ba077e279a5f10d666778..aead670cda417803f2c79b50cf1ea7463c8e37c4:/sdk/python/tests/test_collections.py

diff --git a/sdk/python/tests/test_collections.py b/sdk/python/tests/test_collections.py
index 56c2352adb..65b89056bb 100644
--- a/sdk/python/tests/test_collections.py
+++ b/sdk/python/tests/test_collections.py
@@ -7,7 +7,6 @@ from __future__ import absolute_import
 from builtins import object
 import arvados
 import copy
-import mock
 import os
 import random
 import re
@@ -18,6 +17,8 @@ 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
@@ -593,7 +594,7 @@ class CollectionReaderTestCase(unittest.TestCase, CollectionTestMixin):
         # Ensure stripped_manifest() doesn't mangle our manifest in
         # any way other than stripping hints.
         self.assertEqual(
-            re.sub('\+[^\d\s\+]+', '', nonnormal),
+            re.sub(r'\+[^\d\s\+]+', '', nonnormal),
             reader.stripped_manifest())
         # Ensure stripped_manifest() didn't mutate our reader.
         self.assertEqual(nonnormal, reader.manifest_text())