diff --git a/src/Mod/Fem/feminout/importFenicsMesh.py b/src/Mod/Fem/feminout/importFenicsMesh.py
index 5781e0b95c..2156a9101f 100644
--- a/src/Mod/Fem/feminout/importFenicsMesh.py
+++ b/src/Mod/Fem/feminout/importFenicsMesh.py
@@ -1,5 +1,5 @@
 # ***************************************************************************
-# *   Copyright (c) 2017-2023 Johannes Hartung <j.hartung@gmx.net>               *
+# *   Copyright (c) 2017-2023 Johannes Hartung <j.hartung@gmx.net>          *
 # *                                                                         *
 # *   This file is part of the FreeCAD CAx development system.              *
 # *                                                                         *
@@ -54,6 +54,7 @@ if FreeCAD.GuiUp:
         This task panel is used to write mesh groups with user defined values.
         It will called if there are mesh groups detected. Else it will be bypassed.
         """
+
         def __init__(self, fem_mesh_obj, fileString):
             self.form = FreeCADGui.PySideUic.loadUi(os.path.join(
                 FreeCAD.getHomePath(),
@@ -176,8 +177,8 @@ def export(objectslist, fileString, group_values_dict_nogui=None):
         if fileExtension.lower() == ".xml":
             if obj.ElementOrder != "1st":
                 Console.PrintWarning(
-                    "XML is not designed to save higher order elements.\n" + 
-                    "Reducing order for second order mesh.\n" + 
+                    "XML is not designed to save higher order elements.\n" +
+                    "Reducing order for second order mesh.\n" +
                     "Tri6 -> Tri3, Tet10 -> Tet4, etc.\n")
             writeFenicsXML.write_fenics_mesh_xml(obj, fileString)
         elif fileExtension.lower() == ".xdmf":
diff --git a/src/Mod/Fem/feminout/readFenicsXML.py b/src/Mod/Fem/feminout/readFenicsXML.py
index 981876717e..2c9fdec0c0 100644
--- a/src/Mod/Fem/feminout/readFenicsXML.py
+++ b/src/Mod/Fem/feminout/readFenicsXML.py
@@ -105,8 +105,8 @@ def read_fenics_mesh_xml(xmlfilename):
                 ind = int(cell.get("index"))
 
                 if cell.tag.lower() != cell_type.lower():
-                    Console.PrintWarning("Strange mismatch between cell type " + 
-                                         f"{cell_type} and " + 
+                    Console.PrintWarning("Strange mismatch between cell type " +
+                                         f"{cell_type} and " +
                                          f"cell tag {cell.tag.lower()}\n")
                 num_vertices = cells_parts_dim[cell_type][0]
 
diff --git a/src/Mod/Fem/feminout/writeFenicsXDMF.py b/src/Mod/Fem/feminout/writeFenicsXDMF.py
index 961b2e1bde..f9d38e9f26 100644
--- a/src/Mod/Fem/feminout/writeFenicsXDMF.py
+++ b/src/Mod/Fem/feminout/writeFenicsXDMF.py
@@ -171,7 +171,7 @@ def write_fenics_mesh_codim_xdmf(
         fc_topo = fem_mesh_obj.FemMesh.Nodes
     else:
         fc_topo = []
-        Console.PrintError("Dimension of mesh incompatible with export" + 
+        Console.PrintError("Dimension of mesh incompatible with export" +
                            f" XDMF function: {dim_topo}\n")
 
     nodeindices = [(
@@ -307,8 +307,8 @@ def write_fenics_mesh_xdmf(
         mesh_function_codim = dim_cell - FreeCAD_Group_Dimensions[mesh_function_type]
         mesh_function_name = fem_mesh.getGroupName(g)
 
-        Console.PrintMessage(f"group id: {g} (label: {mesh_function_name})" + 
-                             f" with element type {mesh_function_type} and" + 
+        Console.PrintMessage(f"group id: {g} (label: {mesh_function_name})" +
+                             f" with element type {mesh_function_type} and" +
                              " codim {mesh_function_codim}\n")
 
         mesh_function_grid = ET.SubElement(
@@ -325,7 +325,7 @@ def write_fenics_mesh_xdmf(
             codim=mesh_function_codim, encoding=encoding
         )
 
-        mesh_function_geometry = ET.SubElement(mesh_function_grid, "Geometry", 
+        mesh_function_geometry = ET.SubElement(mesh_function_grid, "Geometry",
                                                Reference="XML")
         mesh_function_geometry.text = "/Xdmf/Domain/Grid/Geometry"
         mesh_function_attribute = ET.SubElement(mesh_function_grid, "Attribute")
diff --git a/src/Mod/Fem/feminout/writeFenicsXML.py b/src/Mod/Fem/feminout/writeFenicsXML.py
index fbcec5fe65..c58257acbe 100644
--- a/src/Mod/Fem/feminout/writeFenicsXML.py
+++ b/src/Mod/Fem/feminout/writeFenicsXML.py
@@ -80,7 +80,7 @@ def write_fenics_mesh_xml(fem_mesh_obj, outputfile):
     (num_cells, cellname_fc, dim_cell) = celltype_in_mesh
     cellname_fenics = FreeCAD_to_Fenics_dict[cellname_fc]
     num_verts_cell = XML_Number_of_Nodes_dict[cellname_fenics]
-    Console.PrintMessage(f"Celltype in mesh -> {str(celltype_in_mesh)} " + 
+    Console.PrintMessage(f"Celltype in mesh -> {str(celltype_in_mesh)} " +
                          f"and its Fenics name: {cellname_fenics}\n")
 
     root = ET.Element("dolfin", dolfin="http://fenicsproject.org")