Get rid of most of the flags (in tp_flags) that keep track of various
variations of the type struct and its attachments. In Py3k, all type
structs have to have all fields -- no binary backwards compatibility.
Had to change the complex object to a new-style number!
diff --git a/Objects/boolobject.c b/Objects/boolobject.c
index 79be184..a0d6cd5 100644
--- a/Objects/boolobject.c
+++ b/Objects/boolobject.c
@@ -164,7 +164,7 @@
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES, /* tp_flags */
+ Py_TPFLAGS_DEFAULT, /* tp_flags */
bool_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */