diff --git a/test/test_algorithm.py b/test/test_algorithm.py
index bcf7e9360eaafbbe9ade22d1aa334016257ec02e..3d49b23f43f1f7ad423d01499e8c22ff13479497 100644
--- a/test/test_algorithm.py
+++ b/test/test_algorithm.py
@@ -786,7 +786,7 @@ def test_key_value_sorter(ctx_factory):
     for k, v in zip(keys.get(), values.get()):
         mydict.setdefault(k, []).append(v)
 
-    for i in xrange(nkeys):
+    for i in range(nkeys):
         start, end = starts[i:i+2]
         assert sorted(mydict[i]) == sorted(lists[start:end])