commit 004251059b9c5e48d47cb30b94bcb92cb44d3adf
author Oren Milman <orenmn@gmail.com> Mon Mar 13 00:37:05 2017 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Mon Mar 13 00:37:05 2017 +0200
tree c61cee2b14c069cf40ce39910980d338687f4bc7
parent b7c9150b68516878175e5373983189d6deea470c

bpo-29730: replace some calls to PyNumber_Check and improve some error messages (#650)

Modules/mmapmodule.c

diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index 7a94464..7c15d37 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -247,14 +247,15 @@
     if (obj == Py_None) {
         limit = -1;
     }
-    else if (PyNumber_Check(obj)) {
+    else if (PyIndex_Check(obj)) {
         limit = PyNumber_AsSsize_t(obj, PyExc_OverflowError);
-        if (limit == -1 && PyErr_Occurred())
+        if (limit == -1 && PyErr_Occurred()) {
             return 0;
+        }
     }
     else {
         PyErr_Format(PyExc_TypeError,
-                     "integer argument expected, got '%.200s'",
+                     "argument should be integer or None, not '%.200s'",
                      Py_TYPE(obj)->tp_name);
         return 0;
     }