diff --git a/tests/utils_mailpace.py b/tests/utils_mailpace.py
index f69aed9a..acdf8d78 100644
--- a/tests/utils_mailpace.py
+++ b/tests/utils_mailpace.py
@@ -1,7 +1,8 @@
 from base64 import b64encode
 
 from django.test import override_settings
-from anymail.exceptions import _LazyError, AnymailImproperlyInstalled
+
+from anymail.exceptions import AnymailImproperlyInstalled, _LazyError
 
 try:
     from nacl.signing import SigningKey