only use pure python for windows
only use pure python for windows

eleme/thriftpy,mariusvniekerk/thriftpy,misakwa/thriftpy,spladug/thriftpy,eleme/thriftpy,adsharma/flattools,keitheis/thriftpy,OctavianLee/thriftpy,OctavianLee/thriftpy,keitheis/thriftpy,duydb2/thriftpy,duydb2/thriftpy,mariusvniekerk/thriftpy,halfcrazy/thriftpy,importcjj/thriftpy,importcjj/thriftpy,misakwa/thriftpy,dan-blanchard/thriftpy,misakwa/thriftpy,adsharma/flattools,duydb2/thriftpy,mariusvniekerk/thriftpy,adsharma/flattools,spladug/thriftpy,halfcrazy/thriftpy,OctavianLee/thriftpy,dan-blanchard/thriftpy