From 36586107927e167b3ee9a3abf468eecac1b8128e Mon Sep 17 00:00:00 2001
From: Dave Pearson <davep@davep.org>
Date: Wed, 1 Mar 2023 13:27:16 +0000
Subject: [PATCH] Add a docstring for TreeNode.data

---
 src/textual/widgets/_tree.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/textual/widgets/_tree.py b/src/textual/widgets/_tree.py
index f4d8f350a..4060e756d 100644
--- a/src/textual/widgets/_tree.py
+++ b/src/textual/widgets/_tree.py
@@ -100,6 +100,7 @@ class TreeNode(Generic[TreeDataType]):
         self._id = id
         self._label = tree.process_label(label)
         self.data = data
+        """Optional data associated with the tree node."""
         self._expanded = expanded
         self._children: list[TreeNode[TreeDataType]] = []