From a7bb4b53d85ee79a6609418fa5a1a65880f8a3ad Mon Sep 17 00:00:00 2001
From: Jonathan Kamens <jik@quantopian.com>
Date: Tue, 21 Aug 2012 13:53:03 -0400
Subject: [PATCH] Close the results socket to ensure messages are sent

---
 zipline/lines.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/zipline/lines.py b/zipline/lines.py
index 1c3a558f..d31c47d6 100644
--- a/zipline/lines.py
+++ b/zipline/lines.py
@@ -172,6 +172,8 @@ class SimulatedTrading(object):
 
     def close(self):
         log.info("Closing Simulation: {id}".format(id=self.sim_id))
+        if self.results_socket:
+            self.results_socket.close()
         if self.proc and self.send_sighup:
             ppid = os.getppid()
             if self.success: