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bpo-42576: Raise TypeError when passing in keyword arguments to GenericAlias (GH-23656)

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Use `_PyArg_NoKeywords` instead of `_PyArg_NoKwnames` when checking the `kwds` tuple when creating `GenericAlias`. This fixes an interpreter crash when passing in keyword arguments to `GenericAlias`'s constructor.

Needs backport to 3.9.

Automerge-Triggered-By: GH:gvanrossum
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kj 2020-12-05 23:02:14 +07:00 • committed by GitHub
parent da3d2abe6b
commit 804d6893b8
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3 changed files with 9 additions and 1 deletions
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Objects/genericaliasobject.c
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@ -567,7 +567,7 @@ static PyGetSetDef ga_properties[] = {
static PyObject *
ga_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
if (!_PyArg_NoKwnames("GenericAlias", kwds)) {
if (!_PyArg_NoKeywords("GenericAlias", kwds)) {
return NULL;
}
if (!_PyArg_CheckPositional("GenericAlias", PyTuple_GET_SIZE(args), 2, 2)) {