commit 557287075c264d2458cd3e1b45e9b8ee5341e0a1
author Andy Lester <andy@petdance.com> Fri Mar 06 16:53:17 2020 -0600
committer GitHub <noreply@github.com> Fri Mar 06 23:53:17 2020 +0100
tree 6c34331fdbf74476b60b1e32972e360af4985ab6
parent e59334ebc9308b0f3ad048ef293c6b49e6456d1a

 bpo-39573: Use Py_IS_TYPE() macro to check for types (GH-18809)

Co-authored-by: Victor Stinner <vstinner@python.org>

Objects/tupleobject.c

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 92374cc..52ecb54 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -881,7 +881,7 @@
     Py_ssize_t oldsize;
 
     v = (PyTupleObject *) *pv;
-    if (v == NULL || Py_TYPE(v) != &PyTuple_Type ||
+    if (v == NULL || !Py_IS_TYPE(v, &PyTuple_Type) ||
         (Py_SIZE(v) != 0 && Py_REFCNT(v) != 1)) {
         *pv = 0;
         Py_XDECREF(v);