schema>=0.7.5
six>=1.16.0
typing

[:python_version < "3.0"]
lupa==1.14.1
future
unittest2>=1.1.0

[:python_version < "3.4"]
enum34

[:python_version < "3.7"]
importlib-resources

[:python_version < "3.8"]
typing_extensions

[:python_version >= "3.0"]
lupa>=2.0
