#NEWLINE# @ classmethod #NEWLINE# def _new( cls , poly , func , auto = True ) : #NEWLINE# #INDENT# 'Construct new raw ``RootSum`` instance. ' #NEWLINE# obj = Expr . __new__ ( cls ) #NEWLINE# obj . poly = poly #NEWLINE# obj . fun = func #NEWLINE# obj . auto = auto #NEWLINE# return cls