more specific exception for wrong kind of raise #8082
diff --git a/Python/ceval.c b/Python/ceval.c
index 7c1f781..1aa87a8 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -3539,8 +3539,9 @@
/* Not something you can raise. You get an exception
anyway, just not what you specified :-) */
PyErr_Format(PyExc_TypeError,
- "exceptions must be classes or instances, not %s",
- type->ob_type->tp_name);
+ "exceptions must be old-style classes or "
+ "derived from BaseException, not %s",
+ type->ob_type->tp_name);
goto raise_error;
}