#NEWLINE# def bits( self , word_sep = None ) : #NEWLINE# #INDENT# '\n        :param word_sep: (optional) the separator to insert between words.\n            Default: None - use default separator for address type.\n\n        :return: the value of this IP address as a binary digit string.' #NEWLINE# return self . _module . int_to_bits ( self . _value , word_sep )