diff --git a/skfusion/fusion/base/fusion_graph.py b/skfusion/fusion/base/fusion_graph.py
index 52c1d2c..ae75fe4 100644
--- a/skfusion/fusion/base/fusion_graph.py
+++ b/skfusion/fusion/base/fusion_graph.py
@@ -1,7 +1,8 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 
-from collections import defaultdict, OrderedDict, Iterable
+from collections import defaultdict, OrderedDict
+from collections.abc import Iterable
 from uuid import uuid1 as uuid
 from numbers import Number