Better isinstance error message.

Closes SF patch # 560250. Bugfix candidate IMO.

Better isinstance error message.
Closes SF patch # 560250. Bugfix candidate IMO.
aee2d5f9 · Thomas Heller · dc8412e5 · aee2d5f9
Commit aee2d5f9 authored Jun 05, 2002 by Thomas Heller
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 1 deletion

Objects/abstract.c Objects/abstract.c +2 -1

No files found.
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -1976,7 +1976,8 @@ PyObject_IsInstance(PyObject *inst, PyObject *cls)
 			/* Do not mask errors. */
 			if (!PyErr_Occurred())
 				PyErr_SetString(PyExc_TypeError,
-				"isinstance() arg 2 must be a class or type");
+				"isinstance() arg 2 must be a class, type,"
+				" or tuple of classes and types");
 			return -1;
 		}
 		Py_DECREF(cls_bases);