From f475b96685686cb1f5597ac063de950f4efb0c85 Mon Sep 17 00:00:00 2001
From: Lucas Hoffmann <l-m-h@web.de>
Date: Mon, 21 Aug 2017 23:20:42 +0200
Subject: Use cStringIO.StringIO to fix #1132

This undoes a small subset of the changes from
fa3dd1b04567c4ea03fa658c3838b569531c79f5 and thus fixes #1132.

The io.BytesIO object was not able to handle the unicode header names
that where returned by envelope.construct_mail, which in turn did just
copy them from the envelope header.
---
 alot/helper.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'alot/helper.py')

diff --git a/alot/helper.py b/alot/helper.py
index ce307875..1c569a23 100644
--- a/alot/helper.py
+++ b/alot/helper.py
@@ -10,6 +10,7 @@ from datetime import timedelta
 from datetime import datetime
 from collections import deque
 from io import BytesIO
+from cStringIO import StringIO
 import logging
 import mimetypes
 import os
@@ -606,7 +607,7 @@ def email_as_string(mail):
     :param mail: email to convert to string
     :rtype: str
     """
-    fp = BytesIO()
+    fp = StringIO()
     g = Generator(fp, mangle_from_=False, maxheaderlen=78)
     g.flatten(mail)
     as_string = RFC3156_canonicalize(fp.getvalue())
-- 
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