attrs>=17.4.0
pyrsistent>=0.14.0
setuptools
six>=1.11.0

[:python_version < "3"]
functools32

[:python_version < "3.8"]
importlib_metadata

[format]
idna
jsonpointer>1.13
rfc3987
strict-rfc3339
webcolors

[format_nongpl]
idna
jsonpointer>1.13
webcolors
rfc3986-validator>0.1.0
rfc3339-validator