diff -r e945fcb54cd4 -r 2a3d022a7dac etherlab/ConfigEditor.py
--- a/etherlab/ConfigEditor.py	Fri Sep 28 18:00:50 2018 +0300
+++ b/etherlab/ConfigEditor.py	Fri Sep 28 18:04:28 2018 +0300
@@ -30,12 +30,14 @@
 
 [ETHERCAT_VENDOR, ETHERCAT_GROUP, ETHERCAT_DEVICE] = range(3)
 
+
 def AppendMenu(parent, help, id, kind, text):
     if wx.VERSION >= (2, 6, 0):
         parent.Append(help=help, id=id, kind=kind, text=text)
     else:
         parent.Append(helpString=help, id=id, kind=kind, item=text)
 
+
 def GetVariablesTableColnames(position=False):
     _ = lambda x : x
     colname = ["#"]
@@ -48,6 +50,7 @@
     'wo': 'W',
     'rw': 'R/W'}
 
+
 def GetAccessValue(access, pdo_mapping):
     value = "SDO: %s" % ACCESS_TYPES.get(access, "")
     if pdo_mapping != "":
@@ -66,6 +69,7 @@
 ETHERCAT_SUBINDEX_MODEL = re.compile("#x([0-9a-fA-F]{0,2})$")
 LOCATION_MODEL = re.compile("(?:%[IQM](?:[XBWLD]?([0-9]+(?:\.[0-9]+)*)))$")
 
+
 class NodeVariablesSizer(wx.FlexGridSizer):
 
     def __init__(self, parent, controler, position_column=False):
@@ -252,6 +256,7 @@
 
         event.Skip()
 
+
 class NodeEditor(ConfTreeNodeEditor):
 
     CONFNODEEDITOR_TABS = [
@@ -333,6 +338,7 @@
             _("Write to (nodeid, index, subindex)"),
             _("Description")]
 
+
 class ProcessVariablesTable(CustomTable):
 
     def GetValue(self, row, col):
@@ -386,6 +392,7 @@
 
             self.ResizeRow(grid, row)
 
+
 class ProcessVariableDropTarget(wx.TextDropTarget):
 
     def __init__(self, parent):
@@ -445,10 +452,12 @@
         message.ShowModal()
         message.Destroy()
 
+
 def GetStartupCommandsTableColnames():
     _ = lambda x : x
     return [_("Position"), _("Index"), _("Subindex"), _("Value"), _("Description")]
 
+
 class StartupCommandDropTarget(wx.TextDropTarget):
 
     def __init__(self, parent):
@@ -495,6 +504,7 @@
         message.ShowModal()
         message.Destroy()
 
+
 class StartupCommandsTable(CustomTable):
 
     """
@@ -567,6 +577,7 @@
                 return row
         return None
 
+
 class MasterNodesVariablesSizer(NodeVariablesSizer):
 
     def __init__(self, parent, controler):
@@ -586,6 +597,7 @@
 
 NODE_POSITION_FILTER_FORMAT = _("Node Position: %d")
 
+
 class MasterEditor(ConfTreeNodeEditor):
 
     CONFNODEEDITOR_TABS = [
@@ -1081,6 +1093,7 @@
     #        self.FrameLoss2.SetValue(self.MasterState["frameloss2"])
     #        self.FrameLoss3.SetValue(self.MasterState["frameloss3"])
 
+
 class LibraryEditorSizer(wx.FlexGridSizer):
 
     def __init__(self, parent, module_library, buttons):
@@ -1316,6 +1329,7 @@
                          param_infos["description"])
         event.Skip()
 
+
 class DatabaseManagementDialog(wx.Dialog):
 
     def __init__(self, parent, database):
@@ -1347,6 +1361,7 @@
     def GetValue(self):
         return self.DatabaseSizer.GetSelectedFilePath()
 
+
 class LibraryEditor(ConfTreeNodeEditor):
 
     CONFNODEEDITOR_TABS = [