Index: simulator/plugins/selftestDry/loader.py
===================================================================
diff -u -reb6acf9c1a4748852875c350568192999be9d3dd -r967521dff94783ce48b50abc8db6bcd67bb501bf
--- simulator/plugins/selftestDry/loader.py	(.../loader.py)	(revision eb6acf9c1a4748852875c350568192999be9d3dd)
+++ simulator/plugins/selftestDry/loader.py	(.../loader.py)	(revision 967521dff94783ce48b50abc8db6bcd67bb501bf)
@@ -10,7 +10,7 @@
 # parent
 from simulator.dynamicloader import DynamicLoader
 # hd Simulator
-from dialin.ui.hd_simulator import HDSimulator
+from simulator.interface import SimulationInterface
 # plugin specific
 #  -- none --
 
@@ -23,8 +23,8 @@
     sldTimeout: QtWidgets.QSlider
     sldCountdown: QtWidgets.QSlider
 
-    def __init__(self, hd_simulator: HDSimulator):
-        super().__init__(os.path.dirname(__file__), hd_simulator)
+    def __init__(self, interface: SimulationInterface):
+        super().__init__(os.path.dirname(__file__), interface)
 
     def _init_loader(self):
         """
@@ -60,4 +60,4 @@
         """
         timeout = self.sldTimeout.value()
         countdown = self.sldCountdown.value()
-        self.hd_simulator.cmd_send_pre_treatment_self_test_dry_progress_data(timeout, countdown)
+        self.interface.hd.cmd_send_pre_treatment_self_test_dry_progress_data(timeout, countdown)