FEM: code formating, flake8

src/Mod/Fem/femsolver/elmer/tasks.py

@@ -81,6 +81,7 @@ class Prepare(run.Prepare):
         except IOError as e:
             self.report.error("Can't access working directory.")
             self.fail()
+            del e  # get flake8 quit
 
     def checkHandled(self, w):
         handled = w.getHandledConstraints()

src/Mod/Fem/femsolver/fenics/fenics_tools.py

@@ -138,12 +138,11 @@ else:
 
             # TODO: python classes much slower than JIT compilation
 
-
-# ***********************************
-# * Sub classes due to value_shape method which is not of dynamical return type
-# * Also the assignment of values is to be done by reference. Therefore it has to be
-# * overloaded.
-# ***********************************
+    # ***********************************
+    # * Sub classes due to value_shape method which is not of dynamical return type
+    # * Also the assignment of values is to be done by reference. Therefore it has to be
+    # * overloaded.
+    # ***********************************
 
     class ScalarCellExpressionFromXDMF(fenics.Expression, CellExpressionFromXDMF):