diff --git a/src/Mod/Fem/FemInputWriterCcx.py b/src/Mod/Fem/FemInputWriterCcx.py
index e60823977d..8ad1ce4d2c 100644
--- a/src/Mod/Fem/FemInputWriterCcx.py
+++ b/src/Mod/Fem/FemInputWriterCcx.py
@@ -345,7 +345,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
             self.get_element_geometry2D_elements()
         elif len(self.beamsection_objects) > 1:
             self.get_element_geometry1D_elements()
-            # we will need to split the beams even for one beamobj 
+            # we will need to split the beams even for one beamobj
             # because no beam in z-direction can be used in ccx without a special adjustment
             # thus they need an own ccx_elset --> but this is ccx specific and thus should not be in input writer!
         elif len(self.fluidsection_objects) > 1:
@@ -358,7 +358,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
         # create the ccx_elsets
         if len(self.material_objects) == 1:
             if self.femmesh.Volumes:
-                # we only could do this for volumes, if a mesh contains volumes 
+                # we only could do this for volumes, if a mesh contains volumes
                 # we're going to use them in the analysis
                 # but a mesh could contain the element faces of the volumes as faces
                 # and the edges of the faces as edges, there we have to check for some geometric objects
@@ -377,11 +377,11 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
                 self.get_ccx_elsets_single_mat_multiple_fluid()
         elif len(self.material_objects) > 1:
             if self.femmesh.Volumes:
-                # we only could do this for volumes, if a mseh contains volumes 
+                # we only could do this for volumes, if a mseh contains volumes
                 # we're going to use them in the analysis
                 # but a mesh could contain the element faces of the volumes as faces
                 # and the edges of the faces as edges, there we have to check for some geometric objects
-                self.get_ccx_elsets_multiple_mat_solid()  # volume is a bit special, because retriving ids from group mesh data is implemented
+                self.get_ccx_elsets_multiple_mat_solid()  # volume is a bit special, because retrieving ids from group mesh data is implemented
             elif len(self.shellthickness_objects) == 1:
                 self.get_ccx_elsets_multiple_mat_single_shell()
             elif len(self.shellthickness_objects) > 1:
diff --git a/src/Mod/Fem/FemMeshTools.py b/src/Mod/Fem/FemMeshTools.py
index f70b495166..21c4b56824 100644
--- a/src/Mod/Fem/FemMeshTools.py
+++ b/src/Mod/Fem/FemMeshTools.py
@@ -1050,7 +1050,7 @@ def get_analysis_group_elements(aAnalysis, aPart):
     group_elements = {}  # { name : [element, element, ... , element]}
     empty_references = []
     for m in aAnalysis.Group:
-        if hasattr(m, "References") and "ReadOnly" not in m.getEditorMode("References"):  
+        if hasattr(m, "References") and "ReadOnly" not in m.getEditorMode("References"):
             # some C++ Constraints have a not used References Property, it is set to Hidden in ReadOnly and PropertyEditor
             if m.References:
                 grp_ele = get_reference_group_elements(m, aPart)
diff --git a/src/Mod/Fem/TestFem.py b/src/Mod/Fem/TestFem.py
index ebd6165346..e217c14876 100644
--- a/src/Mod/Fem/TestFem.py
+++ b/src/Mod/Fem/TestFem.py
@@ -1067,7 +1067,7 @@ def collect_python_modules(femsubdir=None):
             if not femsubdir:
                 collected_modules.append(os.path.splitext(os.path.basename(pyfile))[0])
             else:
-                collected_modules.append(femsubdir.replace('/','.') + '.' + os.path.splitext(os.path.basename(pyfile))[0])
+                collected_modules.append(femsubdir.replace('/', '.') + '.' + os.path.splitext(os.path.basename(pyfile))[0])
     return collected_modules