From 4e16eb7403e035630af900354510ef696a999586 Mon Sep 17 00:00:00 2001
From: Son NK <>
Date: Tue, 10 Nov 2020 17:42:23 +0100
Subject: [PATCH] fix

---
 app/email_utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/email_utils.py b/app/email_utils.py
index e0f89b1a..dc387985 100644
--- a/app/email_utils.py
+++ b/app/email_utils.py
@@ -636,7 +636,7 @@ def copy(msg: Message) -> Message:
     try:
         # prefer the unicode way
         return email.message_from_string(msg.as_string())
-    except (UnicodeEncodeError, ValueError):
+    except (UnicodeEncodeError, KeyError):
         LOG.warning("as_string() fails, try to_bytes")
         return email.message_from_bytes(to_bytes(msg))