From 765d3d32c1177ca2bac0afaf5766cddb1fec1942 Mon Sep 17 00:00:00 2001
From: Oleksandr Bezdieniezhnykh <oleksandr.bezdieniezhnykh@pwc.com>
Date: Mon, 13 Apr 2026 06:51:24 +0300
Subject: [PATCH] Refine type hint for cached hardware information

- Updated the type hint for the `_CACHED_HW_INFO` variable to use `Optional[str]` for improved clarity and to indicate that it can be `None`.

This change enhances type safety and readability in the hardware service module.
---
 src/hardware_service.pyx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hardware_service.pyx b/src/hardware_service.pyx
index a5d658f..ba001aa 100644
--- a/src/hardware_service.pyx
+++ b/src/hardware_service.pyx
@@ -1,11 +1,12 @@
 import os
 import platform
 import subprocess
+from typing import Optional
 
 import psutil
 cimport constants
 
-cdef str _CACHED_HW_INFO = None
+cdef Optional[str] _CACHED_HW_INFO = None
 
 
 def _get_cpu():