Index: engine/engine.py
===================================================================
diff -u -ra2058c995c2cd9f9b271227158394c225a0393a9 -rafa5cdb5a32798626411f553b9def49f44ff4bf1
--- engine/engine.py	(.../engine.py)	(revision a2058c995c2cd9f9b271227158394c225a0393a9)
+++ engine/engine.py	(.../engine.py)	(revision afa5cdb5a32798626411f553b9def49f44ff4bf1)
@@ -1,10 +1,11 @@
 """
 the plugin loader class
 """
-# PySide2 import
-from PySide2 import QtWidgets
-from PySide2.QtCore import Qt
+# PySide6 import
+from PySide6 import QtWidgets, QtGui
+from PySide6.QtCore import Qt
 
+
 # simulator imports
 from engine.dynamicloader import DynamicLoader
 
@@ -38,7 +39,7 @@
         self.mdiArea            = self.find_widget(QtWidgets.QMdiArea   , 'mdiArea')
         self.menuBar            = self.find_widget(QtWidgets.QMenuBar   , 'menuBar')
         self.menuWindows        = self.find_widget(QtWidgets.QMenu      , 'menuWindows')
-        self.action_show_all    = self.find_widget(QtWidgets.QAction    , 'actionShowAll')
+        self.action_show_all    = self.find_widget(QtGui.QAction        , 'actionShowAll')
 
     def _init_widgets(self):
         pass