diff --git a/gui/wxpython/gmodeler/canvas.py b/gui/wxpython/gmodeler/canvas.py
index 7c604ec662..bfe5f7a90a 100644
--- a/gui/wxpython/gmodeler/canvas.py
+++ b/gui/wxpython/gmodeler/canvas.py
@@ -320,19 +320,19 @@ def OnRightClick(self, x, y, keys=0, attachment=0):
         popupMenu = Menu()
         popupMenu.Append(self.popupID["remove"], _("Remove"))
         self.frame.Bind(wx.EVT_MENU, self.OnRemove, id=self.popupID["remove"])
-        if isinstance(shape, ModelAction) or isinstance(shape, ModelLoop):
+        if isinstance(shape, (ModelAction, ModelLoop)):
             if shape.IsEnabled():
                 popupMenu.Append(self.popupID["enable"], _("Disable"))
                 self.frame.Bind(wx.EVT_MENU, self.OnDisable, id=self.popupID["enable"])
             else:
                 popupMenu.Append(self.popupID["enable"], _("Enable"))
                 self.frame.Bind(wx.EVT_MENU, self.OnEnable, id=self.popupID["enable"])
-        if isinstance(shape, ModelAction) or isinstance(shape, ModelComment):
+        if isinstance(shape, (ModelAction, ModelComment)):
             popupMenu.AppendSeparator()
         if isinstance(shape, ModelAction):
             popupMenu.Append(self.popupID["label"], _("Set label"))
             self.frame.Bind(wx.EVT_MENU, self.OnSetLabel, id=self.popupID["label"])
-        if isinstance(shape, ModelAction) or isinstance(shape, ModelComment):
+        if isinstance(shape, (ModelAction, ModelComment)):
             popupMenu.Append(self.popupID["comment"], _("Set comment"))
             self.frame.Bind(wx.EVT_MENU, self.OnSetComment, id=self.popupID["comment"])
 
@@ -377,11 +377,7 @@ def OnRightClick(self, x, y, keys=0, attachment=0):
                 if self.GetShape().IsIntermediate():
                     popupMenu.Enable(self.popupID["display"], False)
 
-        if (
-            isinstance(shape, ModelData)
-            or isinstance(shape, ModelAction)
-            or isinstance(shape, ModelLoop)
-        ):
+        if isinstance(shape, (ModelData, ModelAction, ModelLoop)):
             popupMenu.AppendSeparator()
             popupMenu.Append(self.popupID["props"], _("Properties"))
             self.frame.Bind(wx.EVT_MENU, self.OnProperties, id=self.popupID["props"])
diff --git a/gui/wxpython/gmodeler/model.py b/gui/wxpython/gmodeler/model.py
index a609a1c8bd..59ea791192 100644
--- a/gui/wxpython/gmodeler/model.py
+++ b/gui/wxpython/gmodeler/model.py
@@ -2641,7 +2641,7 @@ def _writeItem(self, item, ignoreBlock=True, variables={}):
             self._writePythonAction(
                 item, variables, self.model.GetIntermediateData()[:3]
             )
-        elif isinstance(item, ModelLoop) or isinstance(item, ModelCondition):
+        elif isinstance(item, (ModelLoop, ModelCondition)):
             # substitute condition
             cond = item.GetLabel()
             for variable in self.model.GetVariables():
diff --git a/pyproject.toml b/pyproject.toml
index 31ac12eaf2..e288be23f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -244,7 +244,6 @@ ignore = [
     "S606",    # start-process-with-no-shell
     "S607",    # start-process-with-partial-path
     "S608",    # hardcoded-sql-expression
-    "SIM101",  # duplicate-isinstance-call
     "SIM102",  # collapsible-if
     "SIM105",  # suppressible-exception
     "SIM108",  # if-else-block-instead-of-if-exp