BUG: fix setup.py when git is not installed on the machine.
BUG: fix setup.py when git is not installed on the machine.

abadger/Bento,abadger/Bento,abadger/Bento,cournape/Bento,cournape/Bento,cournape/Bento,abadger/Bento,cournape/Bento