fix doctest for email.header docs
diff --git a/Doc/library/email.header.rst b/Doc/library/email.header.rst
index 7d2dc2e..346d23f 100644
--- a/Doc/library/email.header.rst
+++ b/Doc/library/email.header.rst
@@ -31,8 +31,8 @@
    >>> msg = Message()
    >>> h = Header('p\xf6stal', 'iso-8859-1')
    >>> msg['Subject'] = h
-   >>> print(msg.as_string())
-   Subject: =?iso-8859-1?q?p=F6stal?=
+   >>> msg.as_string()
+   'Subject: =?iso-8859-1?q?p=F6stal?=\n\n'
 
 
 
@@ -176,7 +176,7 @@
 
       >>> from email.header import decode_header
       >>> decode_header('=?iso-8859-1?q?p=F6stal?=')
-      [('p\xf6stal', 'iso-8859-1')]
+      [(b'p\xf6stal', 'iso-8859-1')]
 
 
 .. function:: make_header(decoded_seq, maxlinelen=None, header_name=None, continuation_ws=' ')