diff --git a/etc/requirements.txt b/etc/requirements.txt
index 688bee9a..744b7288 100644
--- a/etc/requirements.txt
+++ b/etc/requirements.txt
@@ -1,3 +1,5 @@
 #zeromq related
 pyzmq==2.1.11
 gevent-zeromq==0.2.2
+msgpack-python==0.1.12
+humanhash==0.0.1
diff --git a/zipline/protocol.py b/zipline/protocol.py
index 818feab8..a40ecfe7 100644
--- a/zipline/protocol.py
+++ b/zipline/protocol.py
@@ -1,4 +1,4 @@
-#import msgpack
+import msgpack
 #import ujson
 #import ultrajson_numpy
 
diff --git a/zipline/test/test_messaging.py b/zipline/test/test_messaging.py
index 3ab7e69b..9a244ee7 100644
--- a/zipline/test/test_messaging.py
+++ b/zipline/test/test_messaging.py
@@ -104,6 +104,8 @@ class SimulatorTestCase(object):
         sim.register_controller( con )
         sim.register_components([ret1, ret2, client])
 
+        assert False
+
         # Simulation
         # ----------
         sim.simulate()