python-dateutil>=2.8.1

[:python_version == "3.4"]
lxml==4.3.5
requests==2.21.0

[:python_version > "3.4"]
lxml>=4.5.2
requests>=2.21.0

[all]
ciso8601>=2.1.3
dateparser>=0.7.6
regex>=2020.7.14
