Fixed update_cells error in Python 2.7 #43
Fixed update_cells error in Python 2.7 #43

paulfitz/gspread,rohit91/gspread,ShivaShinde/gspread,peczony/gspread,amleczko/gspread,dimartiro/gspread,burnash/gspread,JPO1/gspread,msuozzo/gspread,brakhane/gspread,m4rc1e/gspread,Squarespace/gspread,jkhoogland/gspread,KandarpShah/gspread,nateyoder/gspread,tjyang/gspread,habibmasuro/gspread,DanielHabib/gspread,azenk/gspread,suminb/gspread,finoptimal/gspread,wbrp/gspread,gitqwerty777/myGspread