Remove client from commander object.

DecisionSystem/commander.py

@@ -7,14 +7,14 @@ class Commander:
     def __init__(self, timeout = 60):
         self.timeout = timeout
         self._votes = []
-        self._client = ms.Client()
+        ms.Client()
 
         def on_message(client, userdata, message):
             self._votes.append(umsgpack.unpackb(message.payload))
         
-        self.add_subscription("FakeSwarm/FirstTest", on_message)
+        ms.client.subscribe("FakeSwarm/FirstTest", on_message)
 
-        self._client.loop_start()
+        ms.client.loop_start()
 
     def make_decision(self):
         votes = self._votes
@@ -22,15 +22,14 @@ class Commander:
         for vote in votes:
             continue
 
-
     def get_votes(self, topic, message, qos=0):
         # Publish a message that votes are needed.
         ms.client.publish(topic, message, qos)
         time.sleep(self.timeout)
-        make_decision()
+        self.make_decision()
 
     def add_subscription(self, topic, callback=None, qos=0):
-        self._client.subscribe(topic)
+        ms.client.subscribe(topic)
 
         if callback is not None:
-            self._client.message_callback_add(topic, callback)
+            ms.client.message_callback_add(topic, callback)