From f29010469a8fd3899a0df4276c0f3423159a762b Mon Sep 17 00:00:00 2001
From: Adam Goldsmith <adam@adamgoldsmith.name>
Date: Sun, 1 Sep 2024 02:09:09 -0400
Subject: [PATCH] doorcontrol: Define Credential as frozen to allow hashing

---
 doorcontrol/hid/Credential.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doorcontrol/hid/Credential.py b/doorcontrol/hid/Credential.py
index 101cd12..fc10d92 100644
--- a/doorcontrol/hid/Credential.py
+++ b/doorcontrol/hid/Credential.py
@@ -21,7 +21,7 @@ class InvalidParity(InvalidHexCode):
         super().__init__(f"Bad {even_odd} parity")
 
 
-@dataclasses.dataclass
+@dataclasses.dataclass(frozen=True)
 class Credential:
     bits: bitstring.Bits