Convert cookie value to bytes in get_secure_cookie

diff --git a/tornado/web.py b/tornado/web.py
index 83937001955052b2ae653d2d91fc2a28ae8f955b..0b2b8e5ff69aff9b9d50f7ec3e8e3ae21ec516d5 100644 (file)
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -355,7 +355,7 @@ class RequestHandler(object):
         """
         if value is None: value = self.get_cookie(name)
         if not value: return None
-        parts = value.split(b("|"))
+        parts = utf8(value).split(b("|"))
         if len(parts) != 3: return None
         if include_name:
             signature = self._cookie_signature(name, parts[0], parts[1])