From 89485a0ee9b4f2bee7b046a4291a1d038d7d6f08 Mon Sep 17 00:00:00 2001
From: Eddie Hebert <ehebert@quantopian.com>
Date: Tue, 27 Nov 2012 17:46:24 -0500
Subject: [PATCH] Fixes invocation of datetime method.

---
 zipline/utils/date_utils.py | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/zipline/utils/date_utils.py b/zipline/utils/date_utils.py
index 988ed343..dea620b6 100644
--- a/zipline/utils/date_utils.py
+++ b/zipline/utils/date_utils.py
@@ -126,21 +126,21 @@ def dates_of_quarter(quarter_num):
         quarter = 4
 
     if quarter == 1:
-        start = datetime.datetime(year, 1, 1, 0, 0, tzinfo=pytz.utc)
-        end = datetime.datetime(year, 3, 31, 23, 59, tzinfo=pytz.utc)
+        start = datetime(year, 1, 1, 0, 0, tzinfo=pytz.utc)
+        end = datetime(year, 3, 31, 23, 59, tzinfo=pytz.utc)
         return start, end
 
     elif quarter == 2:
-        start = datetime.datetime(year, 4, 1, 0, 0, tzinfo=pytz.utc)
-        end = datetime.datetime(year, 6, 30, 23, 59, tzinfo=pytz.utc)
+        start = datetime(year, 4, 1, 0, 0, tzinfo=pytz.utc)
+        end = datetime(year, 6, 30, 23, 59, tzinfo=pytz.utc)
         return start, end
 
     elif quarter == 3:
-        start = datetime.datetime(year, 7, 1, 0, 0, tzinfo=pytz.utc)
-        end = datetime.datetime(year, 9, 30, 23, 59, tzinfo=pytz.utc)
+        start = datetime(year, 7, 1, 0, 0, tzinfo=pytz.utc)
+        end = datetime(year, 9, 30, 23, 59, tzinfo=pytz.utc)
         return start, end
 
     elif quarter == 4:
-        start = datetime.datetime(year, 10, 1, 0, 0, tzinfo=pytz.utc)
-        end = datetime.datetime(year, 12, 31, 23, 59, tzinfo=pytz.utc)
+        start = datetime(year, 10, 1, 0, 0, tzinfo=pytz.utc)
+        end = datetime(year, 12, 31, 23, 59, tzinfo=pytz.utc)
         return start, end