def _move(self, index, new_priority):
        """
        Change the priority of a leaf node.
        """
        item, old_priority = self._memory[index]
        old_priority = old_priority or 0
        self._memory[index] = _SumRow(item, new_priority)
        self._update_internal_nodes(index, new_priority - old_priority)
def _move(self, index, new_priority):
        
        item, old_priority = self._memory[index]
        old_priority = old_priority or 0
        self._memory[index] = _SumRow(item, new_priority)
        self._update_internal_nodes(index, new_priority - old_priority)
def _move ( self , index , new_priority ) : item , old_priority = self . _memory [ index ] old_priority = old_priority or 0 self . _memory [ index ] = _SumRow ( item , new_priority ) self . _update_internal_nodes ( index , new_priority - old_priority )
Change the priority of a leaf node.
Change the priority of a leaf node .