From 906b68f2da8b366e52f0f060e15e2b651c86886b Mon Sep 17 00:00:00 2001
From: Richard Frank <rich@quantopian.com>
Date: Thu, 1 Oct 2015 07:51:27 -0400
Subject: [PATCH] MAINT: Forward along default_none

---
 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 044ca2e7..04059d35 100644
--- a/zipline/assets/assets.py
+++ b/zipline/assets/assets.py
@@ -204,7 +204,7 @@ class AssetFinder(object):
             raise SidNotFound(sid=sid)
 
     def retrieve_all(self, sids, default_none=False):
-        return [self.retrieve_asset(sid) for sid in sids]
+        return [self.retrieve_asset(sid, default_none) for sid in sids]
 
     def _retrieve_equity(self, sid):
         """