Constant hash for _PyNone_Type

yonillasky · yonillasky · commit 794c1d10a321 · 2022-11-16T21:50:42.000+02:00
diff --git a/Objects/object.c b/Objects/object.c
@@ -1638,6 +1638,11 @@ none_bool(PyObject *v)
     return 0;
 }
 
+static Py_hash_t none_hash(PyObject *v)
+{
+    return 0xBADCAB1E;
+}
+
 static PyNumberMethods none_as_number = {
     0,                          /* nb_add */
     0,                          /* nb_subtract */
@@ -1689,7 +1694,7 @@ PyTypeObject _PyNone_Type = {
     &none_as_number,    /*tp_as_number*/
     0,                  /*tp_as_sequence*/
     0,                  /*tp_as_mapping*/
-    0,                  /*tp_hash */
+    (hashfunc)none_hash,                  /* tp_hash */
     0,                  /*tp_call */
     0,                  /*tp_str */
     0,                  /*tp_getattro */
