PyYaml>=4.2b1
dnspython>=1.15.0
ipaddress>=1.0.22
natsort>=5.5.0
pycountry>=19.8.18
pycountry-convert>=0.7.2
python-dateutil>=2.8.1
requests>=2.20.0

[:python_version < "3.2"]
futures>=3.2.0
