# HG changeset patch
# User Matt Harbison <matt_harbison@yahoo.com>
# Date 2019-02-05 21:16:14
# Node ID 765a608c210849861c0479e52d9ec5a5fb34917a
# Parent  ccaa52865fac446c3f14a7db3b4b12a88eba18cb

wsgiheaders: make sure __repr__() returns a string

When printing `req.headers` on the server side to debug, it complained that '%b'
needed to take a string, not bytes.  Changing '%s' to '%r' caused it to complain
that __repr__ didn't return a string.

diff --git a/mercurial/hgweb/wsgiheaders.py b/mercurial/hgweb/wsgiheaders.py
--- a/mercurial/hgweb/wsgiheaders.py
+++ b/mercurial/hgweb/wsgiheaders.py
@@ -127,7 +127,7 @@ class Headers(object):
         return self._headers[:]
 
     def __repr__(self):
-        return "%s(%r)" % (self.__class__.__name__, self._headers)
+        return r"%s(%r)" % (self.__class__.__name__, self._headers)
 
     def __str__(self):
         """str() returns the formatted headers, complete with end line,