From 9fd8ec180d490b04e78eaa92656f5eb5396492af Mon Sep 17 00:00:00 2001
From: Scott Sanderson <ssanderson@quantopian.com>
Date: Thu, 5 May 2016 02:13:14 -0400
Subject: [PATCH] BUG: View with specific int dtype.

Just viewing as int is broken on win32.
---
 zipline/lib/labelarray.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/zipline/lib/labelarray.py b/zipline/lib/labelarray.py
index d6cc979a..b707f0cd 100644
--- a/zipline/lib/labelarray.py
+++ b/zipline/lib/labelarray.py
@@ -353,7 +353,8 @@ class LabelArray(ndarray):
 
         # Result is a scalar value, which will be an instance of np.void.
         # Map it back to one of our category entries.
-        return self.categories[result.view(int)]
+        index = result.view(int_dtype_with_size_in_bytes(self.itemsize))
+        return self.categories[index]
 
     def is_missing(self):
         """