From 4f4c48b9d53709ef87c42ae55a5aab1de8cae419 Mon Sep 17 00:00:00 2001
From: Dain Nilsson <dain@yubico.com>
Date: Tue, 9 Nov 2021 09:16:49 +0100
Subject: [PATCH] Fix formatting (Black).

---
 fido2/hid/linux.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fido2/hid/linux.py b/fido2/hid/linux.py
index c26e0a2..8b200f7 100644
--- a/fido2/hid/linux.py
+++ b/fido2/hid/linux.py
@@ -63,7 +63,9 @@ def get_descriptor(path):
         try:
             buf = array("B", [0] * 64)
             length = fcntl.ioctl(f, HIDIOCGRAWUNIQ, buf, True)
-            serial = bytearray(buf[: (length - 1)]).decode("utf-8") if length > 1 else None
+            serial = (
+                bytearray(buf[: (length - 1)]).decode("utf-8") if length > 1 else None
+            )
         except OSError:
             serial = None