From 16a615f3f09bf1beda4dd86caf995fb08bc89da2 Mon Sep 17 00:00:00 2001 From: Eddie Hebert Date: Mon, 4 May 2015 14:02:47 -0400 Subject: [PATCH] MAINT: Use setitem syntax instead of update for tracker dict addition. Since only value is being changed, use the setitem brackets intsead of calling updated. --- zipline/finance/performance/tracker.py | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/zipline/finance/performance/tracker.py b/zipline/finance/performance/tracker.py index 3f1451aa..f814f1cf 100644 --- a/zipline/finance/performance/tracker.py +++ b/zipline/finance/performance/tracker.py @@ -275,11 +275,10 @@ class PerformanceTracker(object): 'cumulative_risk_metrics': self.cumulative_risk_metrics.to_dict() } if emission_type == 'daily': - _dict.update({'daily_perf': self.todays_performance.to_dict()}) + _dict['daily_perf'] = self.todays_performance.to_dict() elif emission_type == 'minute': - _dict.update({ - 'minute_perf': self.todays_performance.to_dict(self.saved_dt) - }) + _dict['minute_perf'] = self.todays_performance.to_dict( + self.saved_dt) return _dict