def __repr__(self):
        'Return a nicely formatted representation string'
        #TODO print the slack?
        return self.__class__.__name__ + '(header={}, attrs={}, data_stream={})'.format(
            self.header, self.attrs, self.data_streams)
def __repr__ ( self ) : return self . __class__ . __name__ + '(header={}, attrs={}, data_stream={})' . format ( self . header , self . attrs , self . data_streams )
Return a nicely formatted representation string