Update setup.py
Update setup.py

Copied setup import from Python-Requests so it does not fail on some platforms (e.g. Nokia N9/MeeGo).
Devyani-Divs/twython,akarambir/twython,Fueled/twython,fibears/twython,Oire/twython,ryanmcgrath/twython,joebos/twython,vivek8943/twython,Hasimir/twython,ping/twython