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)

Python/marshal.c

diff --git a/Python/marshal.c b/Python/marshal.c
index b2daff2c..cb11c8c 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -1653,7 +1653,7 @@
     s = PyMarshal_WriteObjectToString(value, version);
     if (s == NULL)
         return NULL;
-    res = _PyObject_CallMethodIdObjArgs(file, &PyId_write, s, NULL);
+    res = _PyObject_CallMethodIdOneArg(file, &PyId_write, s);
     Py_DECREF(s);
     return res;
 }