Handle import of unittest2 in python 2.6
Handle import of unittest2 in python 2.6

mygola/python-oauth2,wndhydrnt/python-oauth2,gcd0318/python-oauth2,gcd0318/python-oauth2,CoolCloud/python-oauth2,mygola/python-oauth2,CoolCloud/python-oauth2,CoolCloud/python-oauth2,candango/python-oauth2,candango/python-oauth2,wndhydrnt/python-oauth2,candango/python-oauth2,mygola/python-oauth2,gcd0318/python-oauth2,wndhydrnt/python-oauth2