Fix missing import

diff --git a/tornado/httpclient.py b/tornado/httpclient.py
index 9e639391def8d32868a57a9590d846ff7ec22099..00190d8f4a1953932cd8b9a3c89c059d9e6a9ebb 100644 (file)
--- a/tornado/httpclient.py
+++ b/tornado/httpclient.py
@@ -27,6 +27,7 @@ import httplib
 import ioloop
 import logging
 import pycurl
+import sys
 import time
 import weakref