···4747 if node_cid is None:
4848 return "<empty>"
4949 node = self.get_node(node_cid)
5050- res = f"MSTNode<cid={node.cid.encode("base32")}>(\n{indent(self.pretty(node.subtrees[0]))},\n"
5050+ res = f"MSTNode<cid={node.cid.encode('base32')}>(\n{indent(self.pretty(node.subtrees[0]))},\n"
5151 for k, v, t in zip(node.keys, node.vals, node.subtrees[1:]):
5252- res += f" {k!r} ({MSTNode.key_height(k)}) -> {v.encode("base32")},\n"
5252+ res += f" {k!r} ({MSTNode.key_height(k)}) -> {v.encode('base32')},\n"
5353 res += indent(self.pretty(t)) + ",\n"
5454 res += ")"
5555 return res