Issue #26880: Removed redundant checks in set.__init__.
diff --git a/Objects/setobject.c b/Objects/setobject.c
index ac71b2c..3d0f355 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -1998,9 +1998,7 @@
{
PyObject *iterable = NULL;
- if (!PyAnySet_Check(self))
- return -1;
- if (kwds != NULL && PySet_Check(self) && !_PyArg_NoKeywords("set()", kwds))
+ if (kwds != NULL && !_PyArg_NoKeywords("set()", kwds))
return -1;
if (!PyArg_UnpackTuple(args, Py_TYPE(self)->tp_name, 0, 1, &iterable))
return -1;