Traceback (most recent call last): File "picard\webservice\__init__.py", line 661, in _process_reply File "picard\webservice\__init__.py", line 649, in _handle_reply File "picard\collection.py", line 102, in _finished File "picard\collection.py", line 123, in _success_add File "picard\collection.py", line 138, in _success File "picard\ui\collectionmenu.py", line 146, in _update_text RuntimeError: wrapped C/C++ object of type CollectionCheckBox has been deleted