From 62a1dc60cdba7e97e43e6f598ec743d6d27b7f1b Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Sun, 20 Nov 2022 16:55:19 +0000
Subject: [PATCH] fix type error

---
 src/textual/widgets/_directory_tree.py | 2 ++
 src/textual/widgets/_tree.py           | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/textual/widgets/_directory_tree.py b/src/textual/widgets/_directory_tree.py
index 841fd30ef..459afa1ea 100644
--- a/src/textual/widgets/_directory_tree.py
+++ b/src/textual/widgets/_directory_tree.py
@@ -14,6 +14,8 @@ from .._types import MessageTarget
 
 @dataclass
 class DirEntry:
+    """Attaches directory information ot a node."""
+
     path: str
     is_dir: bool
     loaded: bool = False
diff --git a/src/textual/widgets/_tree.py b/src/textual/widgets/_tree.py
index 83f9a3f67..956656caf 100644
--- a/src/textual/widgets/_tree.py
+++ b/src/textual/widgets/_tree.py
@@ -26,7 +26,7 @@ NodeID = NewType("NodeID", int)
 TreeDataType = TypeVar("TreeDataType")
 EventTreeDataType = TypeVar("EventTreeDataType")
 
-LineCacheKey: TypeAlias = tuple[int | tuple, ...]
+LineCacheKey: TypeAlias = "tuple[int | tuple, ...]"
 
 TOGGLE_STYLE = Style.from_meta({"toggle": True})