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):
 

src/Mod/Fem/femtest/testmesh.py

@@ -120,10 +120,10 @@ class TestMeshCommon(unittest.TestCase):
 
         read_file = open(inp_file, 'r')
         read_node_line = 'line was not found'
-        for l in read_file:
-            l = l.strip()
-            if l.startswith('2, -5'):
-                read_node_line = l
+        for ln in read_file:
+            ln = ln.strip()
+            if ln.startswith('2, -5'):
+                read_node_line = ln
         read_file.close()
 
         #                  1234567  12345678901234567890  12345678901234567890

src/Mod/Fem/femtest/utilstest.py

@@ -154,10 +154,10 @@ def compare_stats(fea, stat_file=None, loc_stat_types=None, res_obj_name=None):
 
 def force_unix_line_ends(line_list):
     new_line_list = []
-    for l in line_list:
-        if l.endswith("\r\n"):
-            l = l[:-2] + '\n'
-        new_line_list.append(l)
+    for ln in line_list:
+        if ln.endswith("\r\n"):
+            ln = ln[:-2] + '\n'
+        new_line_list.append(ln)
     return new_line_list