1 files changed, 11 insertions, 4 deletions
diff --git a/Modules/clinic/_datetimemodule.c.h b/Modules/clinic/_datetimemodule.c.h
index 36b4fcac47..447036ca03 100644
--- a/Modules/clinic/_datetimemodule.c.h
+++ b/Modules/clinic/_datetimemodule.c.h
@@ -36,16 +36,23 @@ datetime_datetime_now(PyTypeObject *type, PyObject *const *args, Py_ssize_t narg
 {
     PyObject *return_value = NULL;
     static const char * const _keywords[] = {"tz", NULL};
-    static _PyArg_Parser _parser = {"|O:now", _keywords, 0};
+    static _PyArg_Parser _parser = {NULL, _keywords, "now", 0};
+    PyObject *argsbuf[1];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
     PyObject *tz = Py_None;
 
-    if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
-        &tz)) {
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 1, 0, argsbuf);
+    if (!args) {
         goto exit;
     }
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    tz = args[0];
+skip_optional_pos:
     return_value = datetime_datetime_now_impl(type, tz);
 
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=b3d746843403a8ce input=a9049054013a1b77]*/
+/*[clinic end generated code: output=aae916ab728ca85b input=a9049054013a1b77]*/