Update __dict__ assignment error message

mohsinm-dev · mohsinm-dev · commit 80137825a114 · 2026-03-05T08:23:13.000+05:00
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
@@ -4001,8 +4001,8 @@ _PyObject_SetDict(PyObject *obj, PyObject *value)
 {
     if (value != NULL && !PyAnyDict_Check(value)) {
         PyErr_Format(PyExc_TypeError,
-                     "__dict__ must be set to a dictionary, "
-                     "not a '%.200s'", Py_TYPE(value)->tp_name);
+                     "__dict__ must be set to a dict or frozendict, "
+                     "not a %T", value);
         return -1;
     }
     if (Py_TYPE(obj)->tp_flags & Py_TPFLAGS_MANAGED_DICT) {

Original file line number	Diff line number	Diff line change
`@@ -4001,8 +4001,8 @@ _PyObject_SetDict(PyObject obj, PyObject value)`
`4001`	`4001`	`{`
`4002`	`4002`	`if (value != NULL && !PyAnyDict_Check(value)) {`
`4003`	`4003`	`PyErr_Format(PyExc_TypeError,`
`4004`		`- "__dict__ must be set to a dictionary, "`
`4005`		`- "not a '%.200s'", Py_TYPE(value)->tp_name);`
	`4004`	`+ "__dict__ must be set to a dict or frozendict, "`
	`4005`	`+ "not a %T", value);`
`4006`	`4006`	`return -1;`
`4007`	`4007`	`}`
`4008`	`4008`	`if (Py_TYPE(obj)->tp_flags & Py_TPFLAGS_MANAGED_DICT) {`