fix the test cases for python 3.8

diff --git a/src/paperless_mail/mail.py b/src/paperless_mail/mail.py
index fae770b748cbb5d839035743ac05e0302d6f131a..355ad4b633c27c28c534b6d141a99b0d4e694090 100644 (file)
--- a/src/paperless_mail/mail.py
+++ b/src/paperless_mail/mail.py
@@ -302,7 +302,7 @@ def error_callback(
 
 def queue_consumption_tasks(
     *,
-    consume_tasks: list[Signature],
+    consume_tasks: List[Signature],
     rule: MailRule,
     message: MailMessage,
 ):