Traceback (most recent call last):
  File "/usr/share/gtg/GTG/taskbrowser/browser.py", line 1517, in on_delete_confirm
    self.req.delete_task(tid)
  File "/usr/share/gtg/GTG/core/requester.py", line 101, in delete_task
    self.ds.delete_task(tid)
  File "/usr/share/gtg/GTG/core/datastore.py", line 93, in delete_task
    self.tasks[tid].delete()
  File "/usr/share/gtg/GTG/core/task.py", line 482, in delete
    self.req.delete_task(task.get_id())
  File "/usr/share/gtg/GTG/core/requester.py", line 101, in delete_task
    self.ds.delete_task(tid)
  File "/usr/share/gtg/GTG/core/datastore.py", line 100, in delete_task
    back.remove_task(tid)
  File "/usr/share/gtg/GTG/core/datastore.py", line 304, in remove_task
    toreturn = self.backend.remove_task(tid)
  File "/usr/share/gtg/GTG/backends/localfile.py", line 135, in remove_task
    cleanxml.savexml(self.zefile, self.doc)
  File "/usr/share/gtg/GTG/tools/cleanxml.py", line 115, in savexml
    os.rename(zefile, tmpfile)
OSError: [Errno 2] No such file or directory