bpo-16055: Fixes incorrect error text for int('1', base=1000) (GH-4376) (#4389)

(cherry picked from commit 28b62482)

Objects/longobject.c

@@ -4820,7 +4820,7 @@ long_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
         return NULL;
     if ((base != 0 && base < 2) || base > 36) {
         PyErr_SetString(PyExc_ValueError,
-                        "int() base must be >= 2 and <= 36");
+                        "int() base must be >= 2 and <= 36, or 0");
         return NULL;
     }