Temporarily remove assertions to be able to import _ctypes.

src/capi/typeobject.cpp

@@ -3236,10 +3236,9 @@ extern "C" int PyType_Ready(PyTypeObject* cls) noexcept {
                        | Py_TPFLAGS_DICT_SUBCLASS | Py_TPFLAGS_BASE_EXC_SUBCLASS | Py_TPFLAGS_TYPE_SUBCLASS;
     RELEASE_ASSERT((cls->tp_flags & ~ALLOWABLE_FLAGS) == 0, "");
     if (cls->tp_as_number) {
-        RELEASE_ASSERT(cls->tp_flags & Py_TPFLAGS_CHECKTYPES, "Pyston doesn't yet support non-checktypes behavior");
+        // RELEASE_ASSERT(cls->tp_flags & Py_TPFLAGS_CHECKTYPES, "Pyston doesn't yet support non-checktypes behavior");
     }
 
-    RELEASE_ASSERT(cls->tp_descr_set == NULL, "");
     RELEASE_ASSERT(cls->tp_free == NULL || cls->tp_free == PyObject_Del || cls->tp_free == PyObject_GC_Del, "");
     RELEASE_ASSERT(cls->tp_is_gc == NULL, "");
     RELEASE_ASSERT(cls->tp_mro == NULL, "");