5 def error_docs_app(environ, start_response):  argument
7         start_response("404 Not found", [('Content-type', 'text/plain')])
10         start_response("200 OK", [('Content-type', 'text/plain')])
15         return simple_app(environ, start_response)
21     def __call__(self, environ, start_response):  argument
48         def __call__(self, environ, start_response):  argument
50                 return self.app(environ, start_response)
56         def __call__(self, environ, start_response):  argument
58                 return self.app(environ, start_response)
68         def __call__(self, environ, start_response):  argument
70                 return self.app(environ, start_response)
101         def __call__(self, environ, start_response):  argument
103                 return self.app(environ, start_response)