From 89485c6ae372d63dd7137a8f12813390e1dc749f Mon Sep 17 00:00:00 2001
From: Stephen Diehl <stephen.m.diehl@gmail.com>
Date: Fri, 16 Mar 2012 16:42:39 -0400
Subject: [PATCH] Hack to ignore dataframes in process_event, code seems to be
 written against namedicts.

---
 zipline/finance/performance.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/zipline/finance/performance.py b/zipline/finance/performance.py
index 9a46f6bb..bf9276c4 100644
--- a/zipline/finance/performance.py
+++ b/zipline/finance/performance.py
@@ -209,6 +209,15 @@ class PerformanceTracker():
     def process_event(self, event):
         self.event_count += 1
 
+        # TODO: This seems to get both dataframes and namedicts?
+        # I can't find a corresponding test for this
+        # function so not sure if this is the desired behavior or
+        # something is going wrong upstream...
+
+        # hack for now
+        if isinstance(event, pandas.DataFrame):
+            return
+
         if(event.dt >= self.market_close):
             self.handle_market_close()