From 4269eb83acdc15e65e65dc0ed2b844d8444f12ab Mon Sep 17 00:00:00 2001
From: Paul Zehner <paul.zehner@alumni.enseeiht.fr>
Date: Fri, 23 Feb 2024 10:41:06 +0100
Subject: [PATCH] Fix typing error

---
 src/dependencmake/filesystem.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/dependencmake/filesystem.py b/src/dependencmake/filesystem.py
index 84a8548..1605e5a 100644
--- a/src/dependencmake/filesystem.py
+++ b/src/dependencmake/filesystem.py
@@ -1,3 +1,5 @@
+from typing import Optional
+
 from path import Path
 
 CACHE = Path("dependencmake")
@@ -10,7 +12,7 @@ def clean(
     fetch: bool = False,
     build: bool = False,
     install: bool = False,
-    install_path: Path | None = None,
+    install_path: Optional[Path] = None,
 ):
     """Clean cache directories."""
     if fetch: