From 77139c858c7d862b6f6ce4f0ee8049d2a162916b Mon Sep 17 00:00:00 2001
From: Jason Young <46612682+jyoung8607@users.noreply.github.com>
Date: Sun, 16 Jun 2024 13:26:06 -0400
Subject: [PATCH] fix CRC prepend data type

---
 selfdrive/car/rivian/riviancan.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/selfdrive/car/rivian/riviancan.py b/selfdrive/car/rivian/riviancan.py
index 3ecdaa08ca9fd1f..1598f8dfe953bb5 100644
--- a/selfdrive/car/rivian/riviancan.py
+++ b/selfdrive/car/rivian/riviancan.py
@@ -1,6 +1,6 @@
 def checksum(data, prefix, poly):
   crc = 0
-  data = [prefix] + data
+  data = bytes(prefix) + data
   for byte in data:
     crc ^= byte
     for _ in range(8):