commit 59ad110d7a7784d53d0b502eebce0346597a6bef
author Jeroen Demeyer <J.Demeyer@UGent.be> Thu Jul 11 10:59:05 2019 +0200
committer Inada Naoki <songofacandy@gmail.com> Thu Jul 11 17:59:05 2019 +0900
tree 8ccd39e358017efe2abe41912c2f9d567ee9f248
parent 2a3d4d9c53dd4831c3ecf56bc7c4a289c33030d6

bpo-37547: add _PyObject_CallMethodOneArg (GH-14685)

Modules/_io/fileio.c

diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index 7f784a3..e4cbbfa 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -145,8 +145,8 @@
     PyObject *exc, *val, *tb;
     int rc;
     _Py_IDENTIFIER(close);
-    res = _PyObject_CallMethodIdObjArgs((PyObject*)&PyRawIOBase_Type,
-                                        &PyId_close, self, NULL);
+    res = _PyObject_CallMethodIdOneArg((PyObject*)&PyRawIOBase_Type,
+                                       &PyId_close, (PyObject *)self);
     if (!self->closefd) {
         self->fd = -1;
         return res;