Ganga crashes when opening

[mesmith75]

Not reliably reproducible but here is a stack trace:

ERROR    Exception in callback DiracBase.requeue_dirac_finished_jobs.<locals>.<lambda>(<Task cancell...Base.py:1302>>) at /cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Backends/DiracBase.py:1437
handle: <Handle DiracBase.requeue_dirac_finished_jobs.<locals>.<lambda>(<Task cancell...Base.py:1302>>) at /cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Backends/DiracBase.py:1437>
Traceback (most recent call last):
  File "/cvmfs/ganga.cern.ch/Ganga/install/micromamba_el9/lib/python3.11/asyncio/events.py", line 80, in _run
    self._context.run(self._callback, *self._args)
  File "/cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Backends/DiracBase.py", line 1437, in <lambda>
    task.add_done_callback(lambda task, job_id=j.id: DiracBase.job_exception_handler(job_id, task))
                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Backends/DiracBase.py", line 1406, in job_exception_handler
    exception = task.exception()
                ^^^^^^^^^^^^^^^^
  File "/cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Backends/DiracBase.py", line 1332, in job_finalisation
    await task
  File "/cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Backends/DiracBase.py", line 1098, in _internal_job_finalisation
    await DiracBase.complete_dirac_job(job)
  File "/cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Backends/DiracBase.py", line 1146, in complete_dirac_job
    await DiracBase._getStateTime(job, 'completing')
  File "/cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Backends/DiracBase.py", line 1037, in _getStateTime
    be_statetime = await dm.execute(getStateTime, args_dict={
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Server/DiracProcessManager.py", line 107, in execute
    dirac_result = await self.get_task_result(task_id, task_results_dict)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cvmfs/ganga.cern.ch/Ganga/install/8.7.6/lib/python3.11/site-packages/ganga/GangaDirac/Lib/Server/DiracProcessManager.py", line 122, in get_task_result
    await asyncio.sleep(0.3)
  File "/cvmfs/ganga.cern.ch/Ganga/install/micromamba_el9/lib/python3.11/asyncio/tasks.py", line 649, in sleep
    return await future
           ^^^^^^^^^^^^
asyncio.exceptions.CancelledError