Backport part of r65043.
diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index 31b5804..e31b7d5 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -55,10 +55,9 @@
face_value = PyLong_AsLong(index);
Py_DECREF(index);
}
- if (face_value == -1 && PyErr_Occurred())
- return 0;
if (face_value < 0 || face_value >= 256) {
+ /* this includes the OverflowError in case the long is too large */
PyErr_SetString(PyExc_ValueError, "byte must be in range(0, 256)");
return 0;
}