code: def _save(im, fp, filename):
      if _handler is None or not hasattr("_handler", "save"):
          raise OSError("HDF5 save handler not installed")
      _handler.save(im, fp, filename)
  
imports: from .None import Image, ImageFile
label_desc: Use image node_id 3 for calling a global function with example usage: _save(im, fp, filename) without return types