From ed0b87d73c59f0cd1b02cdf5404898f9ca03cdfc Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Thu, 19 Dec 2013 17:16:42 +0100
Subject: [PATCH] Fix the C definition of the sys._debugmallocstats() function:
 the function has no parameter

---
 Lib/test/test_sys.py | 3 +++
 Python/sysmodule.c   | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 177b92ed70e..7be8c9cdaaa 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -665,6 +665,9 @@ class SysModuleTest(unittest.TestCase):
         ret, out, err = assert_python_ok(*args)
         self.assertIn(b"free PyDictObjects", err)
 
+        # The function has no parameter
+        self.assertRaises(TypeError, sys._debugmallocstats, True)
+
     @unittest.skipUnless(hasattr(sys, "getallocatedblocks"),
                          "sys.getallocatedblocks unavailable on this build")
     def test_getallocatedblocks(self):
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index d238561ecdb..cf580f10403 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1186,7 +1186,7 @@ static PyMethodDef sys_methods[] = {
     {"settrace",        sys_settrace, METH_O, settrace_doc},
     {"gettrace",        sys_gettrace, METH_NOARGS, gettrace_doc},
     {"call_tracing", sys_call_tracing, METH_VARARGS, call_tracing_doc},
-    {"_debugmallocstats", sys_debugmallocstats, METH_VARARGS,
+    {"_debugmallocstats", sys_debugmallocstats, METH_NOARGS,
      debugmallocstats_doc},
     {NULL,              NULL}           /* sentinel */
 };