midi conversion on mac.

[Corwyn]

I am trying to convert some midi file to ly files on a macintosh.  

I have tried 2.6.5-1: using midi2ly I get:

File "/Applications/LilyPond.app//Contents/Resources/bin/midi2ly", line 55, in ?
    import midi
ImportError: No module named midi

I have tried 2.7.27-5: this distribution doesn't have the .sh files, and I don't
see how to convert inside lilypond.

What am I missing?  Is there a version where this works?

Thank You Kindly,

Corwyn