fix python3 compat
fix python3 compat

mgeisler/vcrpy,ByteInternet/vcrpy,agriffis/vcrpy,kevin1024/vcrpy,graingert/vcrpy,yarikoptic/vcrpy,ByteInternet/vcrpy,graingert/vcrpy,bcen/vcrpy,kevin1024/vcrpy,poussik/vcrpy,gwillem/vcrpy,aclevy/vcrpy,IvanMalison/vcrpy,poussik/vcrpy