message: Don't error if calling ConvertToPyInPlace on bytes object
diff: @@ -420,7 +420,7 @@ struct TypeConversion<rdctype::array<byte>, false>
  const rdctype::array<byte> &in, int *failIdx)
  {
  // can't modify bytes objects
  - return NULL;
  + return SWIG_Py_Void();
  }
  static PyObject *ConvertToPy(PyObject *self, const rdctype::array<byte> &in, int *failIdx)
  