Document the HTTPResponse.effective_url attribute.

diff --git a/tornado/httpclient.py b/tornado/httpclient.py
index cf503c0d3ceca70dbf2358fed16bcec601aa75e2..b58a834854936547dbdba904f7697486b113bc52 100644 (file)
--- a/tornado/httpclient.py
+++ b/tornado/httpclient.py
@@ -385,6 +385,9 @@ class HTTPResponse(object):
 
     * headers: `tornado.httputil.HTTPHeaders` object
 
+    * effective_url: final location of the resource after following any
+      redirects
+
     * buffer: ``cStringIO`` object for response body
 
     * body: response body as string (created on demand from ``self.buffer``)