seb bacon wrote: > > OK, a bit more info, although it's just as confusing to me... > > The failure happens in line 386 of Connection.py: > > dump(state) I would add a print statement here. UnpickleableErrors occur because something is added to a persistent object that can't be pickled, such as a function, an acquisition wrapper, etc. "print state" should reveal the contents of the state. Shane