<s> """<STR_LIT>""" <EOL> import json <EOL> from cafe . engine . models . base import AutoMarshallingModel <EOL> class CreateChassis ( AutoMarshallingModel ) : <EOL> def __init__ ( self , description = None , extra = None ) : <EOL> super ( CreateChassis , self ) . __init__ ( ) <EOL> extra = extra or { } <EOL> self . description = description <EOL> self . extra = extra <EOL> def _obj_to_json ( self ) : <EOL> create_request = { <EOL> '<STR_LIT:description>' : self . description , <EOL> '<STR_LIT>' : self . extra <EOL> } <EOL> self . _remove_empty_values ( create_request ) <EOL> return json . dumps ( create_request ) </s>
