Update red_black_tree.py

lighting9999 · web-flow · commit e3dcbbb9a6a4 · 2025-09-17T21:44:12.000+08:00
diff --git a/data_structures/binary_tree/red_black_tree.py b/data_structures/binary_tree/red_black_tree.py
@@ -1,3 +1,4 @@
+
 from __future__ import annotations
 
 from collections.abc import Iterator

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+`
`1`	`2`	`from __future__ import annotations`
`2`	`3`
`3`	`4`	`from collections.abc import Iterator`