diff --git a/processing/post/addStrainTensors.py b/processing/post/addStrainTensors.py
index 756761e46..77015a91f 100755
--- a/processing/post/addStrainTensors.py
+++ b/processing/post/addStrainTensors.py
@@ -2,10 +2,9 @@
 
 import os
 import sys
+from io import StringIO
 from optparse import OptionParser
 
-import numpy as np
-
 import damask
 
 
diff --git a/processing/post/addTable.py b/processing/post/addTable.py
index c7d34f1e8..944214e69 100755
--- a/processing/post/addTable.py
+++ b/processing/post/addTable.py
@@ -2,6 +2,7 @@
 
 import os
 import sys
+from io import StringIO
 from optparse import OptionParser
 
 import damask
diff --git a/processing/post/averageDown.py b/processing/post/averageDown.py
index 817000dfa..cbd1f9637 100755
--- a/processing/post/averageDown.py
+++ b/processing/post/averageDown.py
@@ -2,6 +2,7 @@
 
 import os
 import sys
+from io import StringIO
 from optparse import OptionParser
 
 import numpy as np
diff --git a/processing/post/blowUp.py b/processing/post/blowUp.py
index ec42e2365..9cb6347ab 100755
--- a/processing/post/blowUp.py
+++ b/processing/post/blowUp.py
@@ -2,6 +2,7 @@
 
 import os
 import sys
+from io import StringIO
 from optparse import OptionParser
 
 from scipy import ndimage
diff --git a/processing/post/growTable.py b/processing/post/growTable.py
index 4fd647b1e..1dbfa8423 100755
--- a/processing/post/growTable.py
+++ b/processing/post/growTable.py
@@ -2,10 +2,9 @@
 
 import os
 import sys
+from io import StringIO
 from optparse import OptionParser
 
-import numpy as np
-
 import damask
 
 scriptName = os.path.splitext(os.path.basename(__file__))[0]
diff --git a/python/damask/table.py b/python/damask/table.py
index ef8a84276..343ba638d 100644
--- a/python/damask/table.py
+++ b/python/damask/table.py
@@ -274,7 +274,9 @@ class Table():
 
     def append(self,other):
         """
-        Append other table vertically (similar to numpy.vstack). Requires matching shapes and order.
+        Append other table vertically (similar to numpy.vstack).
+
+        Requires matching labels/shapes and order.
 
         Parameters
         ----------
@@ -290,8 +292,9 @@ class Table():
 
     def join(self,other):
         """
-        Append other table horizontally (similar to numpy.hstack). Requires matching number of rows
-        and no common lables
+        Append other table horizontally (similar to numpy.hstack).
+
+        Requires matching number of rows and no common labels.
 
         Parameters
         ----------