use log function for warnings about .mdwn files in pagereader.py

[openpower-isa.git] / src / openpower / decoder / orderedset.py

diff --git a/src/openpower/decoder/orderedset.py b/src/openpower/decoder/orderedset.py
index d5f0b41172a3cdbe7548a6e1098d6806c3be4af9..aa237f56837716392809bd233826e3ec3647c9b6 100644 (file)
--- a/src/openpower/decoder/orderedset.py
+++ b/src/openpower/decoder/orderedset.py
@@ -1,9 +1,10 @@
 # Originally from http://code.activestate.com/recipes/576694/
 # cut down to minimum
 
-import collections
+from collections.abc import MutableSet
 
-class OrderedSet(collections.MutableSet):
+
+class OrderedSet(MutableSet):
 
     def __init__(self, iterable=None):
         self.end = end = []