As an example just download Malcolm’s multi-threading example
viewtopic.php?f=4&t=5396&p=28646&hilit=thread#p28646
run the “run_to_launch” script and then save
Pickling error
the next time you start the file, the storage is completely empty, i.e. you not only loose the thread and queue objects, but also all the other variables you might wanna store in that storage container