<s> from openstack import service_filter <EOL> class NetworkService ( service_filter . ServiceFilter ) : <EOL> """<STR_LIT>""" <EOL> valid_versions = [ service_filter . ValidVersion ( '<STR_LIT>' , '<STR_LIT>' ) ] <EOL> def __init__ ( self , version = None ) : <EOL> """<STR_LIT>""" <EOL> super ( NetworkService , self ) . __init__ ( service_type = '<STR_LIT>' , <EOL> version = version ) </s>
