/usr/lib/python2.7/dist-packages/oauthlib/oauth2/ is in python-oauthlib 2.0.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/__init__.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/__init__.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/clients/
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/clients/__init__.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/clients/backend_application.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/clients/base.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/clients/legacy_application.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/clients/mobile_application.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/clients/service_application.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/clients/web_application.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/endpoints/
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/endpoints/__init__.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/endpoints/authorization.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/endpoints/base.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/endpoints/pre_configured.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/endpoints/resource.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/endpoints/revocation.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/endpoints/token.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/errors.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/grant_types/
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/grant_types/__init__.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/grant_types/authorization_code.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/grant_types/base.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/grant_types/client_credentials.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/grant_types/implicit.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/grant_types/openid_connect.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/grant_types/refresh_token.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/grant_types/resource_owner_password_credentials.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/parameters.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/request_validator.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/tokens.py
/usr/lib/python2.7/dist-packages/oauthlib/oauth2/rfc6749/utils.py