dependencies
~~~~~~~~~~~~
* python3 >= 3.4.2
* dh-python
* devscripts (/usr/bin/mk-origtargz)
* python3-aiohttp
* python3-jinja2
* python3-debian

optional dependencies
~~~~~~~~~~~~~~~~~~~~~~
* python3-aioredis or python3-redis (in memory cache used if missing)
* python3-msgpack or python3-simplejson (stdlib's json used if missing)
