(self, bck)
Sets the chunk backward from this chunk in the list of free chunks.

        :param bck: the chunk to precede this chunk in the list of free chunks
Sets the chunk backward from this chunk in the list of free chunks.
Sets the chunk backward from this chunk in the list of free chunks .
def set_bck_chunk(self, bck):
        """
        Sets the chunk backward from this chunk in the list of free chunks.

        :param bck: the chunk to precede this chunk in the list of free chunks
        """
        raise NotImplementedError("%s not implemented for %s" % (self.set_bck_chunk.__func__.__name__,
                                                                 self.__class__.__name__))
def set_bck_chunk ( self , bck ) : raise NotImplementedError ( "%s not implemented for %s" % ( self . set_bck_chunk . __func__ . __name__ , self . __class__ . __name__ ) )