proper tree parse scipy ClusterNode object

clusternode_parse.py

def parse(tree, p):
    path = p[:]
    path.append(str(tree.get_id()))
    if tree.is_leaf():
        print('.'.join(path))
    else: 
        #Here I assume get_left() returns some falsey value for no left child
        left = tree.get_left()
        if left:
            parse(left, path)
        right = tree.get_right()
        if right:
            parse(right, path)