Update Modules/_io/bytesio.c

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

Author: superboy-zjc

Modules/_io/bytesio.c

@@ -202,7 +202,6 @@ write_bytes_lock_held(bytesio *self, PyObject *b)
     }
 
     Py_buffer buf;
-    /* Issue #143378: Prevent re-entrant mutation during PyObject_GetBuffer() */
     self->exports++;
     if (PyObject_GetBuffer(b, &buf, PyBUF_CONTIG_RO) < 0) {
         self->exports--;