From dfe21dc1deeea36cd682668d74464a4898f1b3dd Mon Sep 17 00:00:00 2001
From: Scott Sanderson <scoutoss@gmail.com>
Date: Wed, 18 Nov 2015 22:44:20 -0500
Subject: [PATCH] DOC: Add whatsnew for isnan and friends.

---
 docs/source/whatsnew/0.8.4.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/source/whatsnew/0.8.4.txt b/docs/source/whatsnew/0.8.4.txt
index 6c493c52..6265a6a1 100644
--- a/docs/source/whatsnew/0.8.4.txt
+++ b/docs/source/whatsnew/0.8.4.txt
@@ -19,6 +19,8 @@ Enhancements
   passed to :class:`~zipline.algorithm.TradingAlgorithm` by the keyword argument
   ``create_event_context`` (:issue:`828`).
 
+* Added `isnan`, `notnan`, and `isfinite` methods to `Factor` (:issue:`861`).
+
 Experimental Features
 ~~~~~~~~~~~~~~~~~~~~~