#NEWLINE# def get_plugin( self ) : #NEWLINE# #INDENT# plugin = manager . NeutronManager . get_service_plugins ( ) . get ( service_constants . L3_ROUTER_NAT ) #NEWLINE# if ( not plugin ) : #NEWLINE# #INDENT# LOG . error ( _LE ( 'No plugin for L3 routing registered to handle router scheduling' ) ) #NEWLINE# msg = _ ( 'The resource could not be found.' ) #NEWLINE# raise webob . exc . HTTPNotFound ( msg ) #NEWLINE# #UNINDENT# return plugin