cffi<2.0.0,>=1.0.0
lark-parser==0.6.4
pytz

[benchmark]
pytest-benchmark==3.2.2

[test]
pytest==4.5.0
pytest-cov==2.6.1
pytest-asyncio==0.10.0
pytest-xdist==1.28.0
pylint==2.3.0
xenon==0.5.5
black==18.9b0
isort==4.3.4
