attrs>=18.1.0
autobahn>=18.7.1
automat>=0.7.0
constantly>=15.1.0
hyperlink>=18.0.0
idna>=2.7
incremental>=17.5.0
psutil>=5.4.6
pyhamcrest>=1.9.0
six>=1.11.0
twisted>=18.7.0
txaio>=18.7.1

[:python_version != "3.1.*"]
zope.interface>=4.5.0

[:sys_platform == "win32"]
pywin32>=223
