I solved it. I had left out the "from cPicke import ..." line in the new file. I would have expected to get an undefined on those functions, but I guess they exist somewhere else. -- View this message in context: http://python.6.n6.nabble.com/PyQt-Drag-and-Drop-tp4646202p4661198.html Sent from the PyQt mailing list archive at Nabble.com.