--- a/util/ProcessLogger.py	Fri Sep 22 20:12:22 2017 +0300
+++ b/util/ProcessLogger.py	Thu Sep 28 12:20:40 2017 +0300
@@ -72,7 +72,7 @@
             self.endcallback(self.Proc.pid, err)
 
 
-class ProcessLogger:
+class ProcessLogger(object):
     def __init__(self, logger, Command, finish_callback=None,
                  no_stdout=False, no_stderr=False, no_gui=True,
                  timeout=None, outlimit=None, errlimit=None,