ename = None
>>> path.name
Traceback (most recent call last):
...
TypeError: ...

>>> path.filename
Traceback (most recent call last):
...
TypeError: ...

>>> path.parent
Traceback (most recent call last):
...
TypeError: ...

# workaround python/cpython#106763
>>> pass
z>{self.__class__.__name__}({self.root.filename!r}, {self.at!r})c