Fix various whitespace issues

src/Mod/Fem/femtaskpanels/task_solver_ccxtools.py

@@ -295,7 +295,7 @@ class _TaskPanel:
         CCX_mesh = self.fea.analysis.Document.getObject("ResultMesh")
         if CCX_mesh is not None:
             CCX_mesh.ViewObject.Visibility = self.CCX_mesh_visibility
-    
+
     def choose_working_dir(self):
         wd = QtGui.QFileDialog.getExistingDirectory(None, "Choose CalculiX working directory",
                                                     self.fea.working_dir)

src/Mod/TechDraw/TDTest/DrawViewDimensionTest.py

@@ -32,9 +32,9 @@ class DrawViewDimensionTest(unittest.TestCase):
         self.view1.Source = [self.document.Sphere]
         self.view1.X = 220
         self.view1.Y = 150
-        
+
         self.document.recompute()
-        
+
         #wait for threads to complete before checking result
         loop = QtCore.QEventLoop()
 
@@ -53,7 +53,7 @@ class DrawViewDimensionTest(unittest.TestCase):
         """Tests if a length dimension can be added to view"""
         # make length dimension
         print("making length dimension")
-        
+
         dimension = self.document.addObject("TechDraw::DrawViewDimension", "Dimension")
         self.page.addView(dimension)
         dimension.Type = "Distance"

src/Mod/TechDraw/TDTest/TechDrawTestUtilities.py

@@ -6,7 +6,7 @@ def createPageWithSVGTemplate(doc=None):
     """Returns a page with an SVGTemplate added on the ActiveDocument"""
     path = os.path.dirname(os.path.abspath(__file__))
     templateFileSpec = path + "/TestTemplate.svg"
-    
+
     if not doc:
         doc = FreeCAD.ActiveDocument