Update replay.py json.dump indent for easy viewing (#1293)
Update replay.py json.dump indent for easy viewing (#1293)

This change will make the dumped json file in replay easier on the eyes, and grep/find-able
luzfcb/cookiecutter,michaeljoseph/cookiecutter,pjbull/cookiecutter,luzfcb/cookiecutter,pjbull/cookiecutter,audreyr/cookiecutter,michaeljoseph/cookiecutter,audreyr/cookiecutter