--- a/Utilities/BackgroundService.py	Mon Mar 12 19:57:16 2018 +0100
+++ b/Utilities/BackgroundService.py	Tue Mar 13 14:54:46 2018 +0100
@@ -445,6 +445,6 @@
             connection.blockSignals(True)
             connection.close()
         
-        for process, interpreter in self.processes.values():
+        for process, _interpreter in self.processes.values():
             process.close()
             process = None