six>=1.4.0
pytz
tzlocal!=3.*,>=2.0

[:python_version < "3.8"]
importlib-metadata>=3.6.0

[doc]
sphinx
sphinx-rtd-theme

[gevent]
gevent

[mongodb]
pymongo>=3.0

[redis]
redis>=3.0

[rethinkdb]
rethinkdb>=2.4.0

[sqlalchemy]
sqlalchemy>=1.4

[testing]
pytest
pytest_asyncio
pytest-cov
pytest-tornado5

[tornado]
tornado>=4.3

[twisted]
twisted

[zookeeper]
kazoo
