zope.interface>=4.0.2

[accelerate]
wsaccel>=0.6.2
ujson>=1.33

[asyncio]
trollius>=0.1.2
futures>=2.1.5

[compress]
python-snappy>=0.5
lz4>=0.2.1

[serialization]
msgpack-python>=0.4.0

[twisted]
Twisted>=11.1
