Use "not x" rather than "x == None" for testing the result of raw_input()
Use "not x" rather than "x == None" for testing the result of raw_input()

rmoorman/gitfiti,coleww/gitfiti,adishjain/gitfiti,CeceXX/gitfiti,beni55/gitfiti,phase/gitfiti,AkshayGupta94/gitfiti,Shanni/gitfiti,csheldonhess/gitfiti,mxm/gitfiti,1310aditya/gitfiti,gelstudios/gitfiti,fabzl/gitfiti,caa1211/gitfiti,paperziggurat/gitfiti,nhumrich/gitfiti