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