Import collection ABCs from collections.abc

html5lib/_tokenizer.py

@@ -2,7 +2,11 @@
 
 from six import unichr as chr
 
-from collections import deque, OrderedDict
+from collections import deque
+try:
+    from collections.abc import OrderedDict
+except ImportError:
+    from collections import OrderedDict
 from sys import version_info
 
 from .constants import spaceCharacters

html5lib/filters/alphabeticalattributes.py

@@ -2,7 +2,10 @@
 
 from . import base
 
-from collections import OrderedDict
+try:
+    from collections.abc import OrderedDict
+except ImportError:
+    from collections import OrderedDict
 
 
 def _attr_key(attr):

html5lib/tests/test_alphabeticalattributes.py

@@ -1,6 +1,9 @@
 from __future__ import absolute_import, division, unicode_literals
 
-from collections import OrderedDict
+try:
+    from collections.abc import OrderedDict
+except ImportError:
+    from collections import OrderedDict
 
 import pytest
 

html5lib/treewalkers/etree.py

@@ -1,6 +1,9 @@
 from __future__ import absolute_import, division, unicode_literals
 
-from collections import OrderedDict
+try:
+    from collections.abc import OrderedDict
+except ImportError:
+    from collections import OrderedDict
 import re
 
 from six import string_types