[CRITICAL] Failed to load grains defined in grain file disks.disks in function <LoadedFunc name='disks.disks'>, error:
Traceback (most recent call last):
  File "C:\Program Files\Salt Project\Salt\Lib\site-packages\salt\loader\__init__.py", line 1188, in grains
    ret = funcs[key](**kwargs)
  File "C:\Program Files\Salt Project\Salt\Lib\site-packages\salt\loader\lazy.py", line 159, in __call__
    ret = self.loader.run(run_func, *args, **kwargs)
  File "C:\Program Files\Salt Project\Salt\Lib\site-packages\salt\loader\lazy.py", line 1245, in run
    return self._last_context.run(self._run_as, _func_or_method, *args, **kwargs)
  File "C:\Program Files\Salt Project\Salt\Lib\site-packages\salt\loader\lazy.py", line 1260, in _run_as
    ret = _func_or_method(*args, **kwargs)
  File "C:\Program Files\Salt Project\Salt\Lib\site-packages\salt\grains\disks.py", line 34, in disks
    return _windows_disks()
  File "C:\Program Files\Salt Project\Salt\Lib\site-packages\salt\grains\disks.py", line 173, in _windows_disks
    if drive["MediaType"].lower() not in ["hdd", "ssd", "scm", "unspecified"]:
AttributeError: 'NoneType' object has no attribute 'lower'