example program running error

[ZhaoZelin2000]

python examples/CFD/cavity2d.py
'rm' 不是内部或外部命令，也不是可运行的程序
或批处理文件。
WARNING:absl:Configured CheckpointManager using deprecated legacy API. Please follow the instructions at https://orbax.readthedocs.io/en/latest/api_refactor.html to migrate by August 1st, 2024.
**** Simulation Parameters for Cavity ****
Parameter | Value

            Omega | 1.2523481527864746
 Grid Points in X | 200
 Grid Points in Y | 200
 Grid Points in Z | 0
   Dimensionality | 2
 Precision Policy | f32/f32
     Lattice Type | D2Q9
  Checkpoint Rate | 1000

Checkpoint Directory | C:\Users\ZZL\Desktop\temp\XLB\checkpoints
Downsampling Factor | 1
Print Info Rate | 100
I/O Rate | 100
Compute MLUPS | False
Restore Checkpoint | False
Backend | cpu
Number of Devices | 1
Time to create the grid mask: 0.11803746223449707
Time to create the local masks and normal arrays: 0.3295261859893799
WARNING: Default initial conditions assumed: density = 1, velocity = 0
To set explicit initial density and velocity, use self.initialize_macroscopic_fields.
Timestep 0 of 5000 completed
Saving data at timestep 0/5000
Saved .\fields_0000000.vtk in 0.003017 seconds.
Saved .\BCs_0000000.vtk in 0.000519 seconds.
Saving checkpoint at timestep 0/5000
WARNING:absl:Attempted to create temporary directory C:\Users\ZZL\Desktop\temp\XLB\checkpoints\0.orbax-checkpoint-tmp-0 which already exists. Removing existing directory since it is not finalized.
Traceback (most recent call last):
File "C:\Users\ZZL\Desktop\temp\XLB\examples\CFD\cavity2d.py", line 96, in
sim.run(5000)
File "C:\Users\ZZL\Desktop\temp\XLB\src\base.py", line 928, in run
self.mngr.save(timestep, state)
File "D:\aruanjian\Python311\Lib\site-packages\orbax\checkpoint\checkpoint_manager.py", line 1110, in save
self._checkpointer.save(save_directory, args=args)
File "D:\aruanjian\Python311\Lib\site-packages\orbax\checkpoint\checkpointer.py", line 186, in save
self._handler.finalize(tmpdir)
File "D:\aruanjian\Python311\Lib\site-packages\orbax\checkpoint\composite_checkpoint_handler.py", line 514, in finalize
handler.finalize(self._get_item_directory(directory, item_name))
File "D:\aruanjian\Python311\Lib\site-packages\orbax\checkpoint\pytree_checkpoint_handler.py", line 759, in finalize
self._handler_impl.finalize(directory)
File "D:\aruanjian\Python311\Lib\site-packages\orbax\checkpoint\base_pytree_checkpoint_handler.py", line 1064, in finalize
type_handlers.merge_ocdbt_per_process_files(directory)
File "D:\aruanjian\Python311\Lib\site-packages\orbax\checkpoint\type_handlers.py", line 670, in merge_ocdbt_per_process_files
asyncio.run(open_and_copy())
File "D:\aruanjian\Python311\Lib\site-packages\nest_asyncio.py", line 30, in run
return loop.run_until_complete(task)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\aruanjian\Python311\Lib\site-packages\nest_asyncio.py", line 98, in run_until_complete
return f.result()
^^^^^^^^^^
File "D:\aruanjian\Python311\Lib\asyncio\futures.py", line 203, in result
raise self._exception.with_traceback(self._exception_tb)
File "D:\aruanjian\Python311\Lib\asyncio\tasks.py", line 279, in __step
result = coro.throw(exc)
^^^^^^^^^^^^^^^
File "D:\aruanjian\Python311\Lib\site-packages\orbax\checkpoint\type_handlers.py", line 667, in open_and_copy
await asyncio.gather(*copy_ops)
File "D:\aruanjian\Python311\Lib\asyncio\tasks.py", line 349, in __wakeup
future.result()
File "D:\aruanjian\Python311\Lib\asyncio\tasks.py", line 279, in __step
result = coro.throw(exc)
^^^^^^^^^^^^^^^
File "D:\aruanjian\Python311\Lib\asyncio\tasks.py", line 694, in _wrap_awaitable
return (yield from awaitable.await())
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\aruanjian\Python311\Lib\asyncio\futures.py", line 287, in await
yield self # This tells Task to wait for completion.
^^^^^^^^^^
File "D:\aruanjian\Python311\Lib\asyncio\tasks.py", line 349, in __wakeup
future.result()
File "D:\aruanjian\Python311\Lib\asyncio\futures.py", line 203, in result
raise self._exception.with_traceback(self._exception_tb)
NotImplementedError: CopyRange not supported

[mehdiataei]

You must use the version in the requirements.txt for the orbax. In the refactoring of the codebase we will update the orbax version.