Comment 2 for bug 990079

`python-mode-v5-behavior' now customizable

  when `python-mode-v5-behavior' set to `t',
  py-execute-... commands will pipe code through
  `shell-command-to-string', which clears the
  output-buffer before.

  This is not the default because of some Unicode related
  error lp:550661, but might be convenient in most cases

  Does not work with IPython for the moment

HTH, cheers,

Andreas