remove unicode_literals as it isn't needed
remove unicode_literals as it isn't needed

stallman-cui/howdoi,prasadph/howdoi,gleitz/howdoi,nju520/howdoi,wujinbin/howdoi,Xuefeng-Zhu/howdoi,jasonfellows/howdoi,kv9699/howdoi,chrisspen/howdou,gleitz/howdoi,allengaller/howdoi,kv9699/howdoi,zhengzhihust/howdoi,q1ang/howdoi,q1ang/howdoi,zhengzhihust/howdoi,allengaller/howdoi,chrisspen/howdou,Xuefeng-Zhu/howdoi,godfreyy/howdoi,wujinbin/howdoi,godfreyy/howdoi,JackNokia/howdoi,JackNokia/howdoi,jasonfellows/howdoi,nju520/howdoi,stallman-cui/howdoi,prasadph/howdoi