More try

appveyor.yml

@@ -16,7 +16,7 @@ build_script:
     python --version
 
 
-    python ..\test.py
+    python.exe -m trace --trace ..\test.py
 
     netsh advfirewall firewall add rule name="Python 2.7" dir=in action=allow program="C:\Python27\python.exe" enable=yes
 
@@ -24,7 +24,7 @@ build_script:
 
     netsh advfirewall set allprofiles state off
 
-    start python.exe ..\test\mqttsas2.py mqtt.iotree.co.uk
+    python -m trace --trace ..\test\mqttsas2.py mqtt.iotree.co.uk
 
     ctest -T test -VV
 

test.py

 
 
 print "this is the test Python program"
+
+
+from __future__ import print_function
+
+# Trace MQTT traffic
+import MQTTV3112 as MQTTV3
+
+import socket, sys, select, traceback, datetime, os
+import SocketServer as socketserver
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