diff --git a/src/Mod/Arch/OfflineRenderingUtils.py b/src/Mod/Arch/OfflineRenderingUtils.py
index bfd1776779..408986e126 100755
--- a/src/Mod/Arch/OfflineRenderingUtils.py
+++ b/src/Mod/Arch/OfflineRenderingUtils.py
@@ -122,7 +122,8 @@ class FreeCADGuiHandler(xml.sax.ContentHandler):
     # plus a GuiCameraSettings key that contains an iv repr of a coin camera
 
     def __init__(self):
-
+        
+        super().__init__()
         self.guidata = {}
         self.current = None
         self.properties = {}
diff --git a/src/Mod/Arch/importSH3D.py b/src/Mod/Arch/importSH3D.py
index d7ad2d8737..0bc976faec 100644
--- a/src/Mod/Arch/importSH3D.py
+++ b/src/Mod/Arch/importSH3D.py
@@ -105,7 +105,8 @@ def read(filename):
 class SH3DHandler(xml.sax.ContentHandler):
 
     def __init__(self,z):
-
+        
+        super().__init__()
         self.makeIndividualWalls = False
         self.z = z
         self.windows = []
diff --git a/src/Tools/generateBase/generateModel_Module.py b/src/Tools/generateBase/generateModel_Module.py
index e03e45f930..8f21a3391f 100644
--- a/src/Tools/generateBase/generateModel_Module.py
+++ b/src/Tools/generateBase/generateModel_Module.py
@@ -1841,6 +1841,7 @@ class SaxStackElement:
 #
 class SaxGeneratemodelHandler(handler.ContentHandler):
     def __init__(self):
+        super().__init__()
         self.stack = []
         self.root = None
 
@@ -2344,6 +2345,7 @@ def usage():
 #
 class SaxSelectorHandler(handler.ContentHandler):
     def __init__(self):
+        super().__init__()
         self.topElementName = None
     def getTopElementName(self):
         return self.topElementName