print_file() throws when used with "with_siblings"

[tbsuht]

>>> with sess.get_data_ly("/*") as data:
...    data.print_file(sys.stdout, fmt="json", pretty=True)
...
{

}
>>> with sess.get_data_ly("/ietf-hardware:*") as data:
...    data.print_file(sys.stdout, fmt="json", pretty=True)
...
{
  "ietf-hardware:hardware": {
    "component": [
      {
       ...
      }
    ]
  }
}
>>> with sess.get_data_ly("/*") as data:
...    data.print_file(sys.stdout, fmt="json", pretty=True, with_siblings=True)
...
Traceback (most recent call last):
  File "<stdin>", line 2, in <module>
  File "/opt/venv/rmi/lib/python3.11/site-packages/libyang/data.py", line 676, in print_file
    raise self.context.error("cannot print node")
libyang.util.LibyangError: cannot print node
>>>

I'm not sure why the first call returns an empty object, as ietf-hardware contains data? And with the with_siblings option set, the call is crashing.

[tbsuht]

>>> with sess.get_data_ly("/*") as data:
...    data.print(fmt="json", out_type=IOType.MEMORY, pretty=True, with_siblings=True)
...
'{\n  "ietf-hardware:hardware": {\n    "component": [\n      {\n        ... \n      }\n    ]\n  },\n  "ietf-interfaces:interfaces": {\n    "interface": [\n      {\n        ... \n              }\n            ]\n