fixed the bug that tornado.stack_context.wrap restricts kwargs for function

diff --git a/tornado/stack_context.py b/tornado/stack_context.py
index 1843762953857c3d64dc9ee4ddf71c9734dafe3c..afce681ba061d81cbb6967277f04d216e5b90a75 100644 (file)
--- a/tornado/stack_context.py
+++ b/tornado/stack_context.py
@@ -195,7 +195,9 @@ def wrap(fn):
     # functools.wraps doesn't appear to work on functools.partial objects
     #@functools.wraps(fn)
 
-    def wrapped(callback, contexts, *args, **kwargs):
+    def wrapped(*args, **kwargs):
+        callback, contexts, args = args[0], args[1], args[2:]
+        
         if contexts is _state.contexts or not contexts:
             callback(*args, **kwargs)
             return