text: Title: np.fromfile not supported
  Body: How to do np.fromfile  to use it like np.load
  
  
  ```python
  def xnumpy_fromfile(filepath_or_buffer, *args, download_config: Optional[DownloadConfig] = None, **kwargs):
      import numpy as np
  
      if hasattr(filepath_or_buffer, "read"):
          return np.fromfile(filepath_or_buffer, *args, **kwargs)
      else:
          filepath_or_buffer = str(filepath_or_buffer)
          return np.fromfile(xopen(filepath_or_buffer, "rb", download_config=download_config).read(), *args, **kwargs)
  ```
  this is not work
  