From f0f1c239e4addd15180d605306a969a627cb19d5 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sat, 3 Sep 2016 01:55:11 -0700
Subject: Issue 27936: Fix inconsistent round() behavior between float and int

---
 Python/bltinmodule.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Python/bltinmodule.c')

diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 9e35eb2a13..9f5db2afe1 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -2039,7 +2039,7 @@ builtin_round(PyObject *self, PyObject *args, PyObject *kwds)
         return NULL;
     }
 
-    if (ndigits == NULL)
+    if (ndigits == NULL || ndigits == Py_None)
         result = PyObject_CallFunctionObjArgs(round, NULL);
     else
         result = PyObject_CallFunctionObjArgs(round, ndigits, NULL);
-- 
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