Index: simulator/plugins/heparin/loader.py
===================================================================
diff -u -r2b0ff4367443cf0458594c81c32598df5b6c39cb -r69b2aacf31c5fdc28e078f87dbdee5c3ab672dd1
--- simulator/plugins/heparin/loader.py	(.../loader.py)	(revision 2b0ff4367443cf0458594c81c32598df5b6c39cb)
+++ simulator/plugins/heparin/loader.py	(.../loader.py)	(revision 69b2aacf31c5fdc28e078f87dbdee5c3ab672dd1)
@@ -1,14 +1,15 @@
 """
 The Heparin ui loader class
 """
-from runtimewidget import RunTimeWidget
+import os
+from simulator.runtimewidget import RunTimeWidget
 from PySide2 import QtWidgets
 from PySide2.QtCore import Slot
 from dialin.squish import denaliMessages
 from dialin.squish.denaliMessages import txStates
 
 
-class Heparin(RunTimeWidget):
+class Loader(RunTimeWidget):
     """
     The Saline Bolus ui loader class
     """
@@ -23,7 +24,7 @@
     requested_state: txStates
 
     def __init__(self):
-        super().__init__("plugins/heparin/interface.ui")
+        super().__init__(os.path.dirname(__file__))
         self.requested_state = txStates.HEPARIN_STATE_PAUSED
         self.initialize()
         self.init_widgets()