setup.py best practices.
setup.py best practices.

opcoder/zh_ptr,JingL1014/petrarch2,openeventdata/petrarch,johnb30/petrarch,johnb30/petrarch2,cnnorris/petrarch,Sayeedsalam/spec-petrarch2,pjdufour/petrarch,openeventdata/petrarch2