Remove unneeded assignment in PyBytes_Concat() (GH-15274)

The `wb.len = -1` assignment is unneeded since its introduction in 161d695fb0455ce52530d4f43a9eac4c738f64bb as `PyObject_GetBuffer` always fills it in.

diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index 72f9cd271be052ed1655bb0a6b29f1d33bfaf2ff..e1f5ee2f62f336e595604ddddb6c644d0a66dd24 100644 (file)
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -2935,7 +2935,6 @@ PyBytes_Concat(PyObject **pv, PyObject *w)
         Py_ssize_t oldsize;
         Py_buffer wb;
 
-        wb.len = -1;
         if (PyObject_GetBuffer(w, &wb, PyBUF_SIMPLE) != 0) {
             PyErr_Format(PyExc_TypeError, "can't concat %.100s to %.100s",
                          Py_TYPE(w)->tp_name, Py_TYPE(*pv)->tp_name);