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tp_new_wrapper(): A subtle change in the check for safe use. 

Allow staticbase != type, as long as their tp_new slots are the same.
This commit is contained in:
Guido van Rossum 2001-09-14 19:43:36 +00:00
parent f21c6be7bd
commit a8c60f478c
1 changed files with 1 additions and 1 deletions
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2
Objects/typeobject.c
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@ -2303,7 +2303,7 @@ tp_new_wrapper(PyObject *self, PyObject *args, PyObject *kwds)
staticbase = subtype;
while (staticbase && (staticbase->tp_flags & Py_TPFLAGS_HEAPTYPE))
staticbase = staticbase->tp_base;
if (staticbase != type) {
if (staticbase->tp_new != type->tp_new) {
PyErr_Format(PyExc_TypeError,
"%s.__new__(%s) is not safe, use %s.__new__()",
type->tp_name,