TMSS-1522: wrap in BusListenerJanitor to auto-delete queue upon exit

CEP/TBB/TBBdatawriter/TBBTMSSBusListener.py

 #!/usr/bin/env python
 
+from lofar.messaging.messagebus import BusListenerJanitor
 from lofar.sas.tmss.client.tmssbuslistener import TMSSBusListener, TMSSEventMessageHandler
 from lofar.sas.tmss.client.tmss_http_rest_client import TMSSsession
 from lofar.common.util import waitForInterrupt
@@ -188,7 +189,9 @@ def main():
     else:
         print("No observation running, waiting for next observation")
 
-    with TMSSBusListener(handler_type=TBBTMSSEventMessageHandler, num_threads=1):
+    # run TMSSBusListener with TBBTMSSEventMessageHandler
+    # wrap in BusListenerJanitor to auto-delete queue upon exit
+    with BusListenerJanitor(TMSSBusListener(handler_type=TBBTMSSEventMessageHandler, num_threads=1)):
         waitForInterrupt()
 
 if __name__ == '__main__':