fix travis
fix travis

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