Question

Should return x+3 compile to
  new $P0, 'PyObject'
  $P0 = P5 + 3
  .return ($P0) 

or...
  new $P0, 'PyInt'
  $P0 = 3
  $P1 = P5
  $P2=$P1.__add__($P0)
  .return ($P2)