From 7a5f5da6b2995c194fca93367c5a700d044291eb Mon Sep 17 00:00:00 2001
From: Scott Sanderson <ssanderson@quantopian.com>
Date: Tue, 22 Nov 2016 12:35:10 -0500
Subject: [PATCH] MAINT: Use lazyval instead of two decorators.

---
 zipline/utils/calendars/trading_calendar.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/zipline/utils/calendars/trading_calendar.py b/zipline/utils/calendars/trading_calendar.py
index f17ec923..c98419fc 100644
--- a/zipline/utils/calendars/trading_calendar.py
+++ b/zipline/utils/calendars/trading_calendar.py
@@ -38,7 +38,7 @@ from zipline.utils.input_validation import (
     coerce,
     preprocess,
 )
-from zipline.utils.memoize import remember_last, lazyval
+from zipline.utils.memoize import lazyval
 
 start_default = pd.Timestamp('1990-01-01', tz='UTC')
 end_base = pd.Timestamp('today', tz='UTC')
@@ -655,8 +655,7 @@ class TradingCalendar(with_metaclass(ABCMeta)):
     def last_session(self):
         return self.all_sessions[-1]
 
-    @property
-    @remember_last
+    @lazyval
     def all_minutes(self):
         """
         Returns a DatetimeIndex representing all the minutes in this calendar.