diff --git a/IPython/core/tests/test_formatters.py b/IPython/core/tests/test_formatters.py
index efd6bf8..15ce8df 100644
--- a/IPython/core/tests/test_formatters.py
+++ b/IPython/core/tests/test_formatters.py
@@ -352,7 +352,7 @@ def test_print_method_weird():
     with capture_output() as captured:
         result = f(call_hat)
 
-    assert result == None
+    assert result is None
 
     class BadReprArgs(object):
         def _repr_html_(self, extra, args):