Fix automated docker builds
The docker builds (https://cloud.docker.com/repository/docker/bilbydev/bilby-test-suite-python37) seem to be taking a long time to complete/failing. This could be a dockerhub issue so I'll wait to see.
The docker builds (https://cloud.docker.com/repository/docker/bilbydev/bilby-test-suite-python37) seem to be taking a long time to complete/failing. This could be a dockerhub issue so I'll wait to see.