Error when shutting teapot down

[vrbanecd]

When teapot is shutting down it gives the following error message:

ERROR:    Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/starlette/routing.py", line 738, in lifespan
    async with self.lifespan_context(app) as maybe_state:
  File "/usr/local/lib/python3.10/contextlib.py", line 206, in __aexit__
    await anext(self.gen)
  File "/usr/share/teapot/teapot.py", line 62, in lifespan
    pathlib.Path.unlink(SESSION_STORE_PATH)
  File "/usr/local/lib/python3.10/pathlib.py", line 1206, in unlink
    self._accessor.unlink(self)
AttributeError: 'str' object has no attribute '_accessor'

ERROR:    Application shutdown failed. Exiting.