#NEWLINE# def __add__( self , other ) : #NEWLINE# #INDENT# if ( type ( other ) is not type ( other ) ) : #NEWLINE# #INDENT# return NotImplemented #NEWLINE# #UNINDENT# rsum = Rating ( ) #NEWLINE# rsum . promote = ( self . promote + other . promote ) #NEWLINE# rsum . safe_convert = ( self . safe_convert + other . safe_convert ) #NEWLINE# rsum . unsafe_convert = ( self . unsafe_convert + other . unsafe_convert ) #NEWLINE# return rsum