From ff4855b28cb7b227176ab5749dd1db09fe8b5d0c Mon Sep 17 00:00:00 2001
From: Jason Grout <jason@jasongrout.org>
Date: Wed, 9 Mar 2022 16:46:13 -0800
Subject: [PATCH] Python 2/3 shim in tests so they pass on python 2 for
 ipywidgets 7.x

---
 ipywidgets/widgets/tests/test_interaction.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ipywidgets/widgets/tests/test_interaction.py b/ipywidgets/widgets/tests/test_interaction.py
index 19a82bb236..7d44098694 100644
--- a/ipywidgets/widgets/tests/test_interaction.py
+++ b/ipywidgets/widgets/tests/test_interaction.py
@@ -254,7 +254,12 @@ def test_iterable_tuple():
     check_widgets(c, lis=d)
 
 def test_mapping():
-    from collections.abc import Mapping
+    try:
+        # Python 3
+        from collections.abc import Mapping
+    except ImportError:
+        # Python 2
+        from collections import Mapping
     class TestMapping(Mapping):
         def __init__(self, values):
             self.values = values