diff -r dd94b9a68c61 -r 92932cd370a4 editors/ConfTreeNodeEditor.py
--- a/editors/ConfTreeNodeEditor.py	Tue Aug 15 16:01:18 2017 +0300
+++ b/editors/ConfTreeNodeEditor.py	Tue Aug 15 16:48:49 2017 +0300
@@ -99,7 +99,7 @@
 
         pos_x = (width-bw)/2+dw      # adjust for bitmap and text to centre
         pos_y = (height-bh-th)/2+dy
-        if bmp !=None:
+        if bmp != None:
             dc.DrawBitmap(bmp, pos_x, pos_y, hasMask)  # draw bitmap if available
             pos_x = (width-tw)/2+dw      # adjust for bitmap and text to centre
             pos_y += bh + 2
@@ -296,8 +296,8 @@
         self.Thaw()
 
     def GenerateMethodButtonSizer(self):
-        normal_bt_font=wx.Font(faces["size"] / 3, wx.DEFAULT, wx.NORMAL, wx.NORMAL, faceName = faces["helv"])
-        mouseover_bt_font=wx.Font(faces["size"] / 3, wx.DEFAULT, wx.NORMAL, wx.NORMAL, underline=True, faceName = faces["helv"])
+        normal_bt_font    = wx.Font(faces["size"] / 3, wx.DEFAULT, wx.NORMAL, wx.NORMAL, faceName = faces["helv"])
+        mouseover_bt_font = wx.Font(faces["size"] / 3, wx.DEFAULT, wx.NORMAL, wx.NORMAL, faceName = faces["helv"], underline=True)
 
         msizer = wx.BoxSizer(wx.HORIZONTAL)