<s> def stream ( ) : <EOL> def app ( environ , start_response ) : <EOL> writer = start_response ( '<STR_LIT>' , [ ( '<STR_LIT>' , '<STR_LIT>' ) ] ) <EOL> writer ( b'<STR_LIT>' ) <EOL> writer ( b'<STR_LIT>' ) <EOL> return [ b'<STR_LIT:2>' ] <EOL> return app </s>
