Fixing - Issue7026 - RuntimeError: dictionary changed size during iteration. Patch by flox
diff --git a/Lib/test/test_slice.py b/Lib/test/test_slice.py
index 08de8e3..6aa3d4a 100644
--- a/Lib/test/test_slice.py
+++ b/Lib/test/test_slice.py
@@ -115,7 +115,9 @@
                 tmp.append((i, j, k))
 
         x = X()
-        x[1:2] = 42
+        # Silence Py3k warning
+        with test_support.check_warnings():
+            x[1:2] = 42
         self.assertEquals(tmp, [(1, 2, 42)])
 
     def test_pickle(self):