openapi-spec-validator
openapi-schema-validator
six
lazy-object-proxy
attrs
werkzeug
parse
more-itertools

[:python_version < "3.0"]
backports.functools-lru-cache
backports.functools-partialmethod

[django]

[django:python_version >= "3.0"]
django>=2.2

[flask]
flask

[requests]
requests
