diff --git a/kallithea/lib/rcmail/message.py b/kallithea/lib/rcmail/message.py
--- a/kallithea/lib/rcmail/message.py
+++ b/kallithea/lib/rcmail/message.py
@@ -1,8 +1,6 @@
+from kallithea.lib.rcmail.exceptions import BadHeaders, InvalidMessage
 from kallithea.lib.rcmail.response import MailResponse
 
-from kallithea.lib.rcmail.exceptions import BadHeaders
-from kallithea.lib.rcmail.exceptions import InvalidMessage
-
 
 class Attachment(object):
     """