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-rw-r--r--Objects/bytesobject.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index 3bda6d9..e924e8d 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -2932,6 +2932,11 @@ PyBytes_FromObject(PyObject *x)
PyObject *new, *it;
Py_ssize_t i, size;
+ if (x == NULL) {
+ PyErr_BadInternalCall();
+ return NULL;
+ }
+
/* Is it an int? */
size = PyNumber_AsSsize_t(x, PyExc_ValueError);
if (size == -1 && PyErr_Occurred()) {