diff -r b112bfdde5cc -r 5b6ad7a7fd9d dialogs/FBDVariableDialog.py
--- a/dialogs/FBDVariableDialog.py	Sat Aug 19 21:06:54 2017 +0300
+++ b/dialogs/FBDVariableDialog.py	Mon Aug 21 21:55:18 2017 +0300
@@ -29,9 +29,9 @@
 from graphics.FBD_Objects import FBD_Variable
 from BlockPreviewDialog import BlockPreviewDialog
 
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #                                    Helpers
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 
 # Dictionaries containing correspondence between variable block class and string
 # to be shown in Class combo box in both sense
@@ -44,9 +44,9 @@
 VARIABLE_CLASSES_DICT_REVERSE = dict(
     [(value, key) for key, value in VARIABLE_CLASSES_DICT.iteritems()])
 
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 #                        Set Variable Parameters Dialog
-#-------------------------------------------------------------------------------
+# -------------------------------------------------------------------------------
 
 
 class FBDVariableDialog(BlockPreviewDialog):