1def application(environ, start_response): 2 content_length = int(environ.get('CONTENT_LENGTH', 0)) 3 body = bytes(environ['wsgi.input'].read(content_length)) 4 5 environ['wsgi.errors'].write(body.decode()) 6 environ['wsgi.errors'].flush() 7 8 start_response('200', [('Content-Length', '0')]) 9 return [] 10