style changes in test_vcr.py
style changes in test_vcr.py

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