--- a/dialogs/LDPowerRailDialog.py	Tue Aug 15 22:38:43 2017 +0300
+++ b/dialogs/LDPowerRailDialog.py	Wed Aug 16 11:47:27 2017 +0300
@@ -86,7 +86,7 @@
 
         # Add buttons sizer to sizers
         self.MainSizer.AddSizer(self.ButtonSizer, border=20,
-              flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
+              flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)
         self.Fit()
 
         # Left Power Rail radio button is default control having keyboard focus