AttributeError: 'str' object has no attribute 'dtype' when pretraining wav2vec2

Models
6

Okay, That did resolve that error. Now I am seeing the following error:

Traceback (most recent call last):
  File "/usr/local/bin/accelerate", line 8, in <module>
    sys.exit(main())
  File "/usr/local/lib/python3.7/dist-packages/accelerate/commands/accelerate_cli.py", line 43, in main
    args.func(args)
  File "/usr/local/lib/python3.7/dist-packages/accelerate/commands/launch.py", line 910, in launch_command
    simple_launcher(args)
  File "/usr/local/lib/python3.7/dist-packages/accelerate/commands/launch.py", line 397, in simple_launcher
    process = subprocess.Popen(cmd, env=current_env)
  File "/usr/lib/python3.7/subprocess.py", line 800, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.7/subprocess.py", line 1462, in _execute_child
    env_list.append(k + b'=' + os.fsencode(v))
  File "/usr/lib/python3.7/os.py", line 812, in fsencode
    filename = fspath(filename)  # Does type-checking of `filename`.
TypeError: expected str, bytes or os.PathLike object, not NoneType