-websockets
-pyyaml
-theblues
-python-dateutil
-sphinx
+pytz<2018.0,>=2017.2 # conflict between sphinx and macaroonbakery
+pymacaroons>=0.13.0,<1.0 # force new version with pynacl instead of libnacl
+sphinx==1.6.5
sphinxcontrib-asyncio
sphinx_rtd_theme