commit 03aad3049d1591c76a219dfe089e5367f88f167e
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Sat Jul 17 14:10:21 2021 -0700
committer GitHub <noreply@github.com> Sun Jul 18 00:10:21 2021 +0300
tree 175acc35bac01a1cf8c7ef160096cc33f2e0064f
parent 2d055ce13250a4074f66a945381a149a3cf8c46f

[3.10] bpo-44654: Refactor and clean up the union type implementation (GH-27196) (GH-27219)

(cherry picked from commit 0fd27375cabd12e68a2f12cfeca11a2d5043429e)

Objects/genericaliasobject.c

diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index d3d3871..dda53cb 100644
--- a/Objects/genericaliasobject.c
+++ b/Objects/genericaliasobject.c
@@ -2,7 +2,7 @@
 
 #include "Python.h"
 #include "pycore_object.h"
-#include "pycore_unionobject.h"   // _Py_union_as_number
+#include "pycore_unionobject.h"   // _Py_union_type_or, _PyGenericAlias_Check
 #include "structmember.h"         // PyMemberDef
 
 typedef struct {
@@ -441,8 +441,7 @@ ga_getattro(PyObject *self, PyObject *name)
 static PyObject *
 ga_richcompare(PyObject *a, PyObject *b, int op)
 {
-    if (!PyObject_TypeCheck(a, &Py_GenericAliasType) ||
-        !PyObject_TypeCheck(b, &Py_GenericAliasType) ||
+    if (!_PyGenericAlias_Check(b) ||
         (op != Py_EQ && op != Py_NE))
     {
         Py_RETURN_NOTIMPLEMENTED;
@@ -622,7 +621,7 @@ ga_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 }
 
 static PyNumberMethods ga_as_number = {
-        .nb_or = (binaryfunc)_Py_union_type_or, // Add __or__ function
+        .nb_or = _Py_union_type_or, // Add __or__ function
 };
 
 // TODO: