drop the assertion

JelleZijlstra · JelleZijlstra · commit 38a868c15006 · 2025-09-01T14:32:30.000-07:00
diff --git a/Objects/setobject.c b/Objects/setobject.c
@@ -142,7 +142,6 @@ set_add_entry_takeref(PySetObject *so, PyObject *key, Py_hash_t hash)
     size_t i;                       /* Unsigned for defined overflow behavior */
     int probes;
     int cmp;
-    assert(PySet_CheckExact(so) || PyFrozenSet_CheckExact(so));
 
   restart:
 
