From f94224d330ee4204eb9cd6a3225e7f08787cf614 Mon Sep 17 00:00:00 2001
From: Bob Halley <halley@dnspython.org>
Date: Sun, 31 Aug 2014 16:59:30 -0700
Subject: [PATCH] Fix some issues with dns.zone.to_file().

---
 dns/zone.py   | 2 +-
 tests/zone.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dns/zone.py b/dns/zone.py
index c1b02236..a5f4f9c1 100644
--- a/dns/zone.py
+++ b/dns/zone.py
@@ -507,7 +507,7 @@ class Zone(object):
         LF on POSIX, CRLF on Windows, CR on Macintosh).
         @type nl: string or None
         """
-        temp_buffer = io.StringIO()
+        temp_buffer = io.BytesIO()
         self.to_file(temp_buffer, sorted, relativize, nl)
         return_value = temp_buffer.getvalue()
         temp_buffer.close()
diff --git a/tests/zone.py b/tests/zone.py
index a1346098..61f41480 100644
--- a/tests/zone.py
+++ b/tests/zone.py
@@ -133,7 +133,7 @@ class ZoneTestCase(unittest.TestCase):
         finally:
             if not _keep_output:
                 os.unlink('example3.out')
-        self.failUnless(ok)
+        self.assertTrue(ok)
 
     def testFromText(self):
         z = dns.zone.from_text(example_text, 'example.', relativize=True)
-- 
2.47.3