--- a/plcopen/__init__.py	Mon Oct 09 16:04:39 2017 +0300
+++ b/plcopen/__init__.py	Mon Oct 09 18:13:26 2017 +0300
@@ -26,5 +26,7 @@
 
 # plcopen module dynamically creates its classes
 
-from plcopen import PLCOpenParser, LoadProject, SaveProject, LoadPou, \
+from __future__ import absolute_import
+from plcopen.plcopen import \
+    PLCOpenParser, LoadProject, SaveProject, LoadPou, \
     LoadPouInstances, VarOrder, QualifierList, rect