#NEWLINE# @ call_highest_priority ( '__add__' ) #NEWLINE# def __radd__( self , other ) : #NEWLINE# #INDENT# if isinstance ( other , self . _expr_type ) : #NEWLINE# #INDENT# return other #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# raise TypeError ( 'Invalid argument types for addition' )