--- a/plcopen/__init__.py	Fri Oct 28 12:39:15 2022 +0800
+++ b/plcopen/__init__.py	Fri Oct 28 13:06:52 2022 +0800
@@ -27,6 +27,6 @@
 # plcopen module dynamically creates its classes
 
 
-from plcopen.plcopen import \
+from . plcopen import \
     PLCOpenParser, LoadProject, SaveProject, LoadPou, \
     LoadPouInstances, VarOrder, QualifierList, rect