From b0f871032e78dd1d2f2214acbaae2fac88fa55b0 Mon Sep 17 00:00:00 2001
From: Frank-1998 <77809242+Frank-1998@users.noreply.github.com>
Date: Sun, 18 Jun 2023 10:30:06 -0600
Subject: [PATCH] Fix removing the root node in binary_search_tree.py removes
 the whole tree (#8752)

* fix issue #8715

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---
 data_structures/binary_tree/binary_search_tree.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data_structures/binary_tree/binary_search_tree.py b/data_structures/binary_tree/binary_search_tree.py
index cd88cc10e..c72195424 100644
--- a/data_structures/binary_tree/binary_search_tree.py
+++ b/data_structures/binary_tree/binary_search_tree.py
@@ -40,7 +40,7 @@ class BinarySearchTree:
             else:
                 node.parent.left = new_children
         else:
-            self.root = None
+            self.root = new_children
 
     def is_right(self, node: Node) -> bool:
         if node.parent and node.parent.right: