From bbfef4c406506d89c662038c11c6c67bc97b67e3 Mon Sep 17 00:00:00 2001
From: Thomas Waldmann <tw@waldmann-edv.de>
Date: Thu, 30 May 2013 16:02:28 +0200
Subject: [PATCH] flask view function may return bytes/str/unicode

---
 flask/app.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flask/app.py b/flask/app.py
index c3bbc907..bfd615b7 100644
--- a/flask/app.py
+++ b/flask/app.py
@@ -1551,7 +1551,7 @@ class Flask(_PackageBoundObject):
             # set the headers and status.  We do this because there can be
             # some extra logic involved when creating these objects with
             # specific values (like default content type selection).
-            if isinstance(rv, string_types):
+            if isinstance(rv, string_types + (bytes, )):
                 rv = self.response_class(rv, headers=headers, status=status)
                 headers = status = None
             else: