diff -r 88048a0dd0c3 -r 8d1aca3c9e83 runtime/PLCObject.py
--- a/runtime/PLCObject.py	Thu Apr 12 22:32:43 2018 +0200
+++ b/runtime/PLCObject.py	Fri Apr 13 00:29:52 2018 +0200
@@ -111,7 +111,6 @@
         self.mutex.release()
     
     def call(self, *args, **kwargs):
-        print("call", args, kwargs)
         """
         creates a job, execute it in worker thread, and deliver result.
         if job execution raise exception, re-raise same exception