bpo-37483: add _PyObject_CallOneArg() function (#14558)

1 files changed, 4 insertions, 4 deletions

diff --git a/Python/_warnings.c b/Python/_warnings.c
index 0b19258..b1762e6 100644
--- a/Python/_warnings.c
+++ b/Python/_warnings.c
@@ -590,7 +590,7 @@ call_show_warning(PyObject *category, PyObject *text, PyObject *message,
     if (msg == NULL)
         goto error;
 
-    res = PyObject_CallFunctionObjArgs(show_fn, msg, NULL);
+    res = _PyObject_CallOneArg(show_fn, msg);
     Py_DECREF(show_fn);
     Py_DECREF(msg);
 
@@ -651,7 +651,7 @@ warn_explicit(PyObject *category, PyObject *message,
     }
     else {
         text = message;
-        message = PyObject_CallFunctionObjArgs(category, message, NULL);
+        message = _PyObject_CallOneArg(category, message);
         if (message == NULL)
             goto cleanup;
     }
@@ -996,7 +996,7 @@ get_source_line(PyObject *module_globals, int lineno)
         return NULL;
     }
     /* Call get_source() to get the source code. */
-    source = PyObject_CallFunctionObjArgs(get_source, module_name, NULL);
+    source = _PyObject_CallOneArg(get_source, module_name);
     Py_DECREF(get_source);
     Py_DECREF(module_name);
     if (!source) {
@@ -1283,7 +1283,7 @@ _PyErr_WarnUnawaitedCoroutine(PyObject *coro)
     int warned = 0;
     PyObject *fn = get_warnings_attr(&PyId__warn_unawaited_coroutine, 1);
     if (fn) {
-        PyObject *res = PyObject_CallFunctionObjArgs(fn, coro, NULL);
+        PyObject *res = _PyObject_CallOneArg(fn, coro);
         Py_DECREF(fn);
         if (res || PyErr_ExceptionMatches(PyExc_RuntimeWarning)) {
             warned = 1;