diff -r 69dfdb26f600 -r f9d32913bad4 editors/LDViewer.py
--- a/editors/LDViewer.py	Tue Aug 15 22:38:43 2017 +0300
+++ b/editors/LDViewer.py	Wed Aug 16 11:47:27 2017 +0300
@@ -666,7 +666,7 @@
                 self.RefreshVisibleElements()
                 self.Refresh(False)
         else:
-            message = wx.MessageDialog(self, _("You must select the wire where a contact should be added!"), _("Error"), wx.OK|wx.ICON_ERROR)
+            message = wx.MessageDialog(self, _("You must select the wire where a contact should be added!"), _("Error"), wx.OK | wx.ICON_ERROR)
             message.ShowModal()
             message.Destroy()
 
@@ -882,16 +882,16 @@
                 self.RefreshVisibleElements()
                 self.Refresh(False)
             else:
-                message = wx.MessageDialog(self, _("The group of block must be coherent!"), _("Error"), wx.OK|wx.ICON_ERROR)
+                message = wx.MessageDialog(self, _("The group of block must be coherent!"), _("Error"), wx.OK | wx.ICON_ERROR)
                 message.ShowModal()
                 message.Destroy()
         else:
-            message = wx.MessageDialog(self, _("You must select the block or group of blocks around which a branch should be added!"), _("Error"), wx.OK|wx.ICON_ERROR)
+            message = wx.MessageDialog(self, _("You must select the block or group of blocks around which a branch should be added!"), _("Error"), wx.OK | wx.ICON_ERROR)
             message.ShowModal()
             message.Destroy()
 
     def AddLadderBlock(self):
-        message = wx.MessageDialog(self, _("This option isn't available yet!"), _("Warning"), wx.OK|wx.ICON_EXCLAMATION)
+        message = wx.MessageDialog(self, _("This option isn't available yet!"), _("Warning"), wx.OK | wx.ICON_EXCLAMATION)
         message.ShowModal()
         message.Destroy()