From 07e73a534e848514423b21dbff1612c1e6d327f6 Mon Sep 17 00:00:00 2001
From: jesopo <github@lolnerd.net>
Date: Sun, 15 Sep 2019 11:46:12 +0100
Subject: [PATCH] open private key as a bytestring

---
 modules/fediverse/ap_security.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/fediverse/ap_security.py b/modules/fediverse/ap_security.py
index 00fe8264..dbb57df7 100644
--- a/modules/fediverse/ap_security.py
+++ b/modules/fediverse/ap_security.py
@@ -8,7 +8,7 @@ SIGNATURE_FORMAT = (
 
 
 def _private_key(key_filename: str) -> rsa.RSAPrivateKey:
-    with open(key_filename) as key_file:
+    with open(key_filename, "rb") as key_file:
         return serialization.load_pem_private_key(
             key_file.read(), password=None, backend=default_backend())