diff options
Diffstat (limited to 'Modules/_io/textio.c')
| -rw-r--r-- | Modules/_io/textio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c index 5501da4b3f..12a12f9ef0 100644 --- a/Modules/_io/textio.c +++ b/Modules/_io/textio.c @@ -2593,6 +2593,10 @@ textiowrapper_chunk_size_set(textio *self, PyObject *arg, void *context) { Py_ssize_t n; CHECK_ATTACHED_INT(self); + if (arg == NULL) { + PyErr_SetString(PyExc_AttributeError, "cannot delete attribute"); + return -1; + } n = PyNumber_AsSsize_t(arg, PyExc_TypeError); if (n == -1 && PyErr_Occurred()) return -1; |