Nodepool (>0.1.1) is going to require the Python module os-client-config >= 1.2.0. 1.3.0-1 has landed in Debian experimental. https://packages.qa.debian.org/p/python-os-client-config.html
Dependencies are straightforward and fulfilled for Jessie
The source package generates three binary packages:
We only need the first one (python2) but can probably upload all three of them on our apt.wikimedia.org.
the package report an invalid watch file format pointing to pypi. Nothing to worry about imho:debian-watch-file-unsupported-pypi-url line 2