git subtree pull --prefix=subrepos/scalingpythonml git@github.com:scalingpythonml/scalingpythonml.git master

git subtree pull --prefix=subrepos/dask-docker git@github.com:holdenk/dask-docker.git master

git subtree pull --prefix=subrepos/docker-stacks git@github.com:holdenk/docker-stacks.git master

git subtree pull --prefix=subrepos/zero-to-jupyterhub-k8s git@github.com:holdenk/zero-to-jupyterhub-k8s.git master