diff options
Diffstat (limited to 'Objects/typeobject.c')
| -rw-r--r-- | Objects/typeobject.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Objects/typeobject.c b/Objects/typeobject.c index 3f790e8..ddfc730 100644 --- a/Objects/typeobject.c +++ b/Objects/typeobject.c @@ -5092,6 +5092,7 @@ slot_nb_nonzero(PyObject *self) PyObject *func, *args; static PyObject *nonzero_str, *len_str; int result = -1; + int using_len = 0; func = lookup_maybe(self, "__nonzero__", &nonzero_str); if (func == NULL) { @@ -5100,6 +5101,7 @@ slot_nb_nonzero(PyObject *self) func = lookup_maybe(self, "__len__", &len_str); if (func == NULL) return PyErr_Occurred() ? -1 : 1; + using_len = 1; } args = PyTuple_New(0); if (args != NULL) { @@ -5110,8 +5112,10 @@ slot_nb_nonzero(PyObject *self) result = PyObject_IsTrue(temp); else { PyErr_Format(PyExc_TypeError, - "__nonzero__ should return " + "%s should return " "bool or int, returned %s", + (using_len ? "__len__" + : "__nonzero__"), temp->ob_type->tp_name); result = -1; } |