Sls create --template-url with bitbucket

When I try and create a template from a URL, I get an Error: ENOENT: no such file or directory.

We have created a repo that contains a template folder with multiple templates (similar to

Are we able to create from bitbucket (private repo) or is it locked to github at the moment?
Is there any extra configuration that we would need to put in to get this to all work.