From 8bf4c601694c2645ad26b0649e14b02c7f786007 Mon Sep 17 00:00:00 2001
From: Eddie Hebert <ehebert@quantopian.com>
Date: Wed, 20 Mar 2013 10:42:01 -0400
Subject: [PATCH] MAINT: Removes unused member from performance tracker class.

`last_dict` is not referenced elsewhere.
---
 zipline/finance/performance.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/zipline/finance/performance.py b/zipline/finance/performance.py
index e299d077..83790e39 100644
--- a/zipline/finance/performance.py
+++ b/zipline/finance/performance.py
@@ -177,7 +177,6 @@ class PerformanceTracker(object):
         self.returns = []
         self.txn_count = 0
         self.event_count = 0
-        self.last_dict = None
         self.cumulative_risk_metrics = \
             risk.RiskMetricsIterative(self.period_start)