diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py
index 14c93bef2..6b53c7a79 100644
--- a/scrapy/settings/__init__.py
+++ b/scrapy/settings/__init__.py
@@ -1,11 +1,17 @@
 import six
 import json
 import copy
-from collections import MutableMapping
+import collections
 from importlib import import_module
 from pprint import pformat
 
-from . import default_settings
+from scrapy.settings import default_settings
+
+
+if six.PY3:
+    MutableMapping = collections.abc.MutableMapping
+else:
+    MutableMapping = collections.MutableMapping
 
 
 SETTINGS_PRIORITIES = {
diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py
index 5b83869b8..618050fef 100644
--- a/tests/test_utils_datatypes.py
+++ b/tests/test_utils_datatypes.py
@@ -1,11 +1,18 @@
 import copy
 import unittest
-from collections import Mapping, MutableMapping
+
+import six
+if six.PY3:
+    from collections.abc import Mapping, MutableMapping
+else:
+    from collections.abc import Mapping, MutableMapping
 
 from scrapy.utils.datatypes import CaselessDict, SequenceExclude
 
+
 __doctests__ = ['scrapy.utils.datatypes']
 
+
 class CaselessDictTest(unittest.TestCase):
 
     def test_init_dict(self):