From 9a55dec5f2315ed17f2e8eea187e564d74b4c582 Mon Sep 17 00:00:00 2001
From: EggMan20339 <99349302+EggMan20339@users.noreply.github.com>
Date: Thu, 9 May 2024 21:53:18 -0400
Subject: [PATCH] more nfc

---
 main.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/main.py b/main.py
index e336a54..2d3091c 100644
--- a/main.py
+++ b/main.py
@@ -106,14 +106,17 @@ class CliInteraction(UserInteraction):
         return True
 
 def read_nfc_tag():
+    clf = None
     try:
         clf = nfc.ContactlessFrontend('usb')
         tag = clf.connect(rdwr={'on-connect': lambda tag: False})
-        clf.close()
         return tag.identifier if tag else None
     except Exception as e:
         print("NFC read error:", e)
         return None
+    finally:
+        if clf:
+            clf.close()
 
 
 while True: