fix issue timeout not existing

orangecontrib/esrf/core/TomoDirObserver.py

@@ -81,6 +81,7 @@ class TomoDirObserver(qt.QThread):
     def reset(self):
         self.status = tomodir.OBSERVATION_STATUS['not processing']
         self.lastObsDir = None
+        self.resetTimeOut()
 
     def quit(self):
         if self.tomodirProcess is not None: