commit cc54001c2eb3b14320c1667b22602d69c90d5865
author Erlend Egeberg Aasland <erlend.aasland@innova.no> Tue Feb 16 16:05:58 2021 +0100
committer GitHub <noreply@github.com> Tue Feb 16 16:05:58 2021 +0100
tree 1c4b39bfc9027e42b3f18c0cae147a8d0f7115e4
parent 17dbd4078b68db8954df6b5cdc40b786bc4ad7af

bpo-40170: Always define PyIter_Check() as a function (GH-24548)

Objects/abstract.c

diff --git a/Objects/abstract.c b/Objects/abstract.c
index 74a73ee..c93309b 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -2732,12 +2732,12 @@ PyObject_GetIter(PyObject *o)
     }
 }
 
-#undef PyIter_Check
-
-int PyIter_Check(PyObject *obj)
+int
+PyIter_Check(PyObject *obj)
 {
-    return Py_TYPE(obj)->tp_iternext != NULL &&
-           Py_TYPE(obj)->tp_iternext != &_PyObject_NextNotImplemented;
+    PyTypeObject *tp = Py_TYPE(obj);
+    return (tp->tp_iternext != NULL &&
+            tp->tp_iternext != &_PyObject_NextNotImplemented);
 }
 
 /* Return next item.