--- a/PLCOpenEditor.py	Fri Oct 13 13:17:42 2017 +0300
+++ b/PLCOpenEditor.py	Mon Oct 16 17:20:31 2017 +0300
@@ -35,6 +35,7 @@
 import util.paths as paths
 import util.ExceptionHandler
 from util.misc import InstallLocalRessources
+from docutil.docpdf import open_pdf
 from IDEFrame import IDEFrame, AppendMenu
 from IDEFrame import \
     TITLE, \