From 1c52977964e853d44a7c6a28a7c446033a224e49 Mon Sep 17 00:00:00 2001
From: Scott Sanderson <scoutoss@gmail.com>
Date: Thu, 5 Nov 2015 11:10:13 -0500
Subject: [PATCH] DOC: `group_by_type` returns a regular dict.

---
 zipline/assets/assets.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zipline/assets/assets.py b/zipline/assets/assets.py
index 5a2f85fa..6556f60d 100644
--- a/zipline/assets/assets.py
+++ b/zipline/assets/assets.py
@@ -166,7 +166,7 @@ class AssetFinder(object):
 
         Returns
         -------
-        types : defaultdict[str or None -> list[int]]
+        types : dict[str or None -> list[int]]
             A dict mapping unique asset types to lists of sids drawn from sids.
             If we fail to look up an asset, we assign it a key of None.
         """