is used so that options may be defined in any module (it also enables tornado.log by default). The rest of Tornado does not depend on this module, so feel free to use argparse [https://docs.python.org/3 exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. AsyncTestCase now cleans up Subprocess state on tearDown when necessary. tornado.web The asynchronous The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback

is used so that options may be defined in any module (it also enables tornado.log by default). The rest of Tornado does not depend on this module, so feel free to use argparse [https://docs.python.org/3 exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. AsyncTestCase now cleans up Subprocess state on tearDown when necessary. tornado.web The asynchronous The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback

place of a function definition with the @gen.coroutine decorator, and await in place of yield. The rest of this document still uses the yield style for compatibility with older versions of Python, but async exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. AsyncTestCase now cleans up Subprocess state on tearDown when necessary. tornado.web The asynchronous The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback

is used so that options may be defined in any module (it also enables tornado.log by default). The rest of Tornado does not depend on this module, so feel free to use argparse or other configuration libraries exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. • AsyncTestCase now cleans up Subprocess state on tearDown when necessary. tornado.web • The asynchronous The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback

place of a function definition with the @gen. coroutine decorator, and await in place of yield. The rest of this document still uses the yield style for compatibility with older versions of Python, but async exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. • AsyncTestCase now cleans up Subprocess state on tearDown when necessary. tornado.web • The asynchronous The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback

is used so that options may be defined in any module (it also enables tornado.log by default). The rest of Tornado does not depend on this module, so feel free to use argparse or other configuration libraries exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. • AsyncTestCase now cleans up Subprocess state on tearDown when necessary. tornado.web • The asynchronous The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback

is used so that options may be defined in any module (it also enables tornado.log by default). The rest of Tornado does not depend on this module, so feel free to use argparse or other configuration libraries exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. • AsyncTestCase now cleans up Subprocess state on tearDown when necessary. tornado.web • The asynchronous The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback

is used so that options may be defined in any module (it also enables tornado.log by default). The rest of Tornado does not depend on this module, so feel free to use argparse or other configuration libraries exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. • AsyncTestCase now cleans up Subprocess state on tearDown when necessary. 6.9. Release notes 207 The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback

is used so that options may be defined in any module (it also enables tornado.log by default). The rest of Tornado does not depend on this module, so feel free to use argparse or other configuration libraries exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. • AsyncTestCase now cleans up Subprocess state on tearDown when necessary. tornado.web • The asynchronous The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback

is used so that options may be defined in any module (it also enables tornado.log by default). The rest of Tornado does not depend on this module, so feel free to use argparse or other configuration libraries exceptions. Previously it would silently swallow all but the last; now it raises the first and logs all the rest. • AsyncTestCase now cleans up Subprocess state on tearDown when necessary. 6.9. Release notes 207 The interface of tornado.auth.FacebookGraphMixin is now consistent with its documentation and the rest of the module. The get_authenticated_user and facebook_request methods return a Future and the callback