diff --git a/lib/damask/asciitable.py b/lib/damask/asciitable.py
index 8921f0ea6..4fe4f9156 100644
--- a/lib/damask/asciitable.py
+++ b/lib/damask/asciitable.py
@@ -139,10 +139,10 @@ class ASCIItable():
 # ------------------------------------------------------------------
   def head_read(self):
     """
-    get column labels by either reading
-
-    the first row or, if keyword "head[*]" is present,
-    the last line of the header
+    get column labels
+    
+    by either reading the first row or,
+    if keyword "head[*]" is present, the last line of the header
     """
     import re,shlex
 
@@ -275,14 +275,13 @@ class ASCIItable():
 # ------------------------------------------------------------------
   def labels(self,
              tags = None,
-             raw = False,
-             ):
+             raw = False):
     """
-    returns abstract labels (e.g. "x" for "1_x","2_x",...)
-    unless raw output is requested.
+    tell abstract labels.
+    
+    "x" for "1_x","2_x",... unless raw output is requested.
     operates on object tags or given list.
     """
-    
     from collections import Iterable
     
     if tags is None: tags = self.tags
diff --git a/processing/post/addCalculation.py b/processing/post/addCalculation.py
index 6152ba948..124949623 100755
--- a/processing/post/addCalculation.py
+++ b/processing/post/addCalculation.py
@@ -167,8 +167,8 @@ for name in filenames:
       oldIndices = table.label_indexrange(label)
       Nold = max(1,len(oldIndices))                                                                  # Nold could be zero for new columns
       Nnew = len(output.label_indexrange(label))
-      output.data_append(eval(evaluator[label]) if label in options.labels
-                                               and (condition == '' or eval(eval(evaluator_condition)))
+      output.data_append(eval(evaluator[label]) if label in options.labels and
+                                                   (condition == '' or eval(eval(evaluator_condition)))
                      else np.tile([table.data[i] for i in oldIndices]
                                   if label in tabLabels
                                   else np.nan,
diff --git a/processing/post/addCompatibilityMismatch.py b/processing/post/addCompatibilityMismatch.py
index 182a3df0a..e4fc4a145 100755
--- a/processing/post/addCompatibilityMismatch.py
+++ b/processing/post/addCompatibilityMismatch.py
@@ -64,10 +64,12 @@ for name in filenames:
   errors  = []
   remarks = []
   
-  if table.label_dimension(options.pos) != 3:  errors.append('coordinates "{}" are not a vector.'.format(options.pos))
+  if table.label_dimension(options.pos) != 3:
+    errors.append('coordinates "{}" are not a vector.'.format(options.pos))
   else: colCoord = table.label_index(options.pos)
 
-  if table.label_dimension(options.defgrad) != 9: errors.append('deformation gradient "{}" is not a tensor.'.format(options.defgrad))
+  if table.label_dimension(options.defgrad) != 9:
+    errors.append('deformation gradient "{}" is not a tensor.'.format(options.defgrad))
   else: colF = table.label_index(options.defgrad)
 
   if remarks != []: damask.util.croak(remarks)
@@ -91,7 +93,7 @@ for name in filenames:
   maxcorner = np.array(map(max,coords))
   grid   = np.array(map(len,coords),'i')
   size   = grid/np.maximum(np.ones(3,'d'), grid-1.0) * (maxcorner-mincorner)                        # size from edge to edge = dim * n/(n-1) 
-  size   = np.where(grid > 1, size, min(size[grid > 1]/grid[grid > 1]))                             # spacing for grid==1 set to smallest among other spacings
+  size   = np.where(grid > 1, size, min(size[grid > 1]/grid[grid > 1]))                             # grid==1 spacing set to smallest among other ones
 
   N = grid.prod()