protostar error M2 CHIP

[nix-shell:~/workspace/hello]$ python ~/workspace/protostar/binary_entrypoint.py test
22:46:14 [WARNING] Couldn't read protostar package info
22:46:14 [INFO] Collected 1 suite, and 2 test cases (0.027 s)
Unexpected Protostar error. Report it here:
https://github.com/software-mansion/protostar/issues

Traceback (most recent call last):
  File "/Users/thomas/workspace/protostar/binary_entrypoint.py", line 11, in <module>
    main(Path(__file__).parent)
  File "/Users/thomas/workspace/protostar/protostar/start.py", line 23, in main
    run_protostar(container.protostar_cli, args, arg_parser)
  File "/Users/thomas/workspace/protostar/protostar/start.py", line 56, in run_protostar
    raise err
  File "/Users/thomas/workspace/protostar/protostar/start.py", line 51, in run_protostar
    asyncio.run(protostar_cli.run(args))
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/asyncio/runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/asyncio/base_events.py", line 647, in run_until_complete
    return future.result()
  File "/Users/thomas/workspace/protostar/protostar/protostar_cli.py", line 60, in run
    await self._run_command_from_args(args)
  File "/Users/thomas/workspace/protostar/protostar/protostar_cli.py", line 94, in _run_command_from_args
    await super().run(args)
  File "/Users/thomas/workspace/protostar/protostar/cli/cli_app.py", line 28, in run
    await command.run(args)
  File "/Users/thomas/workspace/protostar/protostar/commands/test/test_command.py", line 130, in run
    summary = await self.test(
  File "/Users/thomas/workspace/protostar/protostar/commands/test/test_command.py", line 207, in test
    TestScheduler(live_logger, worker=TestRunner.worker).run(
  File "/Users/thomas/workspace/protostar/protostar/commands/test/test_scheduler.py", line 58, in run
    with multiprocessing.Pool(
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/context.py", line 119, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild,
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/pool.py", line 212, in __init__
    self._repopulate_pool()
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/pool.py", line 303, in _repopulate_pool
    return self._repopulate_pool_static(self._ctx, self.Process,
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/pool.py", line 326, in _repopulate_pool_static
    w.start()
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/process.py", line 121, in start
    self._popen = self._Popen(self)
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/context.py", line 284, in _Popen
    return Popen(process_obj)
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/popen_spawn_posix.py", line 32, in __init__
    super().__init__(process_obj)
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/popen_fork.py", line 19, in __init__
    self._launch(process_obj)
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/popen_spawn_posix.py", line 47, in _launch
    reduction.dump(process_obj, fp)
  File "/nix/store/awi43jadpy76hwbxx2dpq866n2l1anv2-python3-3.9.13/lib/python3.9/multiprocessing/reduction.py", line 60, in dump
    ForkingPickler(file, protocol).dump(obj)
AttributeError: Can't pickle local object 'TestScheduler.run.<locals>.<lambda>'
(.venv)