#NEWLINE# def R_op( self , inputs , eval_points ) : #NEWLINE# #INDENT# if ( None in eval_points [ : 2 ] ) : #NEWLINE# #INDENT# return [ None ] #NEWLINE# #UNINDENT# return self . make_node ( eval_points [ 0 ] , eval_points [ 1 ] , * inputs [ 2 : ] ) . outputs