--- a/plcopen/structures.py Fri Aug 30 09:18:41 2013 +0200
+++ b/plcopen/structures.py Fri Aug 30 10:59:06 2013 +0200
@@ -158,7 +158,7 @@
generator.Program += JoinList([(", ", ())], vars)
generator.Program += [(");\n", ())]
- if link:
+ if link is not None:
connectionPoint = link.getposition()[-1]
output_parameter = link.getformalParameter()
else:
@@ -177,7 +177,7 @@
else:
for i, variable in enumerate(output_variables):
blockPointx, blockPointy = variable.connectionPointOut.getrelPositionXY()
- if (not connectionPoint or
+ if (connectionPoint is None or
block.getx() + blockPointx == connectionPoint.getx() and
block.gety() + blockPointy == connectionPoint.gety()):
output_variable = variable