>>> import xml.sax
>>> import pathlib
[...]
>>> xml.sax.parse(pathlib.Path('path/to/file'), handler)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3.6/xml/sax/__init__.py", line 33, in parse
    parser.parse(source)
  File "/usr/lib/python3.6/xml/sax/expatreader.py", line 105, in parse
    source = saxutils.prepare_input_source(source)
  File "/usr/lib/python3.6/xml/sax/saxutils.py", line 355, in prepare_input_source
    if source.getCharacterStream() is None and source.getByteStream() is None:
AttributeError: 'PosixPath' object has no attribute 'getCharacterStream'