Fix failure in test_local_host resulting from attempting to add tuple to list.
Fix failure in test_local_host resulting from attempting to add tuple to list.

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