diff --git a/freecad/_4d_overview_wb/core/AssetCreatorWidget.py b/freecad/_4d_overview_wb/core/AssetCreatorWidget.py
index eddaf14..01bc6a0 100644
--- a/freecad/_4d_overview_wb/core/AssetCreatorWidget.py
+++ b/freecad/_4d_overview_wb/core/AssetCreatorWidget.py
@@ -21,7 +21,7 @@
 # ***************************************************************************
 import FreeCAD
 import FreeCADGui
-from PySide6 import QtWidgets, QtCore
+from PySide import QtWidgets  # FreeCAD's PySide!
 import os
 
 
diff --git a/freecad/_4d_overview_wb/core/CentralWindowGeneric.py b/freecad/_4d_overview_wb/core/CentralWindowGeneric.py
index f57833e..2f537b4 100644
--- a/freecad/_4d_overview_wb/core/CentralWindowGeneric.py
+++ b/freecad/_4d_overview_wb/core/CentralWindowGeneric.py
@@ -1,6 +1,6 @@
 
 import FreeCADGui
-from PySide6 import QtWidgets
+from PySide import QtWidgets  # FreeCAD's PySide!
 
 class CentralView(QtWidgets.QWidget):
     def __init__(self):
diff --git a/freecad/_4d_overview_wb/core/CentralWindowOverview.py b/freecad/_4d_overview_wb/core/CentralWindowOverview.py
index 184c006..8ee6f83 100644
--- a/freecad/_4d_overview_wb/core/CentralWindowOverview.py
+++ b/freecad/_4d_overview_wb/core/CentralWindowOverview.py
@@ -22,7 +22,7 @@
 # ***************************************************************************
 import FreeCADGui
 import FreeCAD
-from PySide6 import QtWidgets , QtCore, QtGui
+from PySide import QtWidgets , QtCore, QtGui  # FreeCAD's PySide!
 import os
 import string, zipfile
 from pathlib import Path
diff --git a/freecad/_4d_overview_wb/core/CentralWindowProjectBrowser.py b/freecad/_4d_overview_wb/core/CentralWindowProjectBrowser.py
index 2957bc6..8c1e20b 100644
--- a/freecad/_4d_overview_wb/core/CentralWindowProjectBrowser.py
+++ b/freecad/_4d_overview_wb/core/CentralWindowProjectBrowser.py
@@ -20,7 +20,7 @@
 #     ---  
 # ***************************************************************************
 import FreeCAD, FreeCADGui
-from PySide6 import QtWidgets, QtCore, QtGui
+from PySide import QtWidgets, QtCore, QtGui  # Freecad's PySide!
 from pathlib import Path
 import os
 
diff --git a/freecad/_4d_overview_wb/core/CentralWindowTimeLine.py b/freecad/_4d_overview_wb/core/CentralWindowTimeLine.py
index 946ba26..f3e0acf 100644
--- a/freecad/_4d_overview_wb/core/CentralWindowTimeLine.py
+++ b/freecad/_4d_overview_wb/core/CentralWindowTimeLine.py
@@ -21,7 +21,7 @@
 # ***************************************************************************
 import FreeCADGui
 import FreeCAD
-from PySide6 import QtWidgets, QtCore, QtGui
+from PySide import QtWidgets, QtCore, QtGui  # Freecad's PySide!
 import os
 import string, zipfile
 from pathlib import Path
diff --git a/freecad/_4d_overview_wb/core/StartDockWidget.py b/freecad/_4d_overview_wb/core/StartDockWidget.py
index 22c400d..307c95c 100644
--- a/freecad/_4d_overview_wb/core/StartDockWidget.py
+++ b/freecad/_4d_overview_wb/core/StartDockWidget.py
@@ -22,13 +22,11 @@
 
 
 
-from PySide6 import QtWidgets, QtCore
+from PySide import QtWidgets, QtCore  # FreeCAD's PySide! Can be PySide2 or PySide6.
 import FreeCADGui
 import FreeCAD
 import os
 
-from PySide6.QtGui import QIcon, QPixmap
-from PySide6.QtCore import QSize, Qt
 
 from freecad. _4d_overview_wb.core import CentralWindowGeneric
 from freecad. _4d_overview_wb.core import CentralWindowOverview