fixed issue
idf.copyidfobject() returns the copied object
@@ -793,7 +793,7 @@ class IDF(object):
or it can be used to copy within this idf file.
"""
- addthisbunch(self.idfobjects,
+ return addthisbunch(self.idfobjects,
self.model,
self.idd_info,
idfobject, self)
