flask view function may return bytes/str/unicode

12 years ago · bbfef4c406
1 changed files with 1 additions and 1 deletions
--- 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: