'tuple' object does not support item assignment

[Konstantin Kl.]

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/uvicorn/protocols/http/httptools_impl.py", line 404, in run_asgi
    result = await app(  # type: ignore[func-returns-value]
  File "/usr/local/lib/python3.10/site-packages/uvicorn/middleware/proxy_headers.py", line 78, in __call__
    return await self.app(scope, receive, send)
  File "/usr/local/lib/python3.10/site-packages/fastapi/applications.py", line 269, in __call__
    await super().__call__(scope, receive, send)
  File "/usr/local/lib/python3.10/site-packages/starlette/applications.py", line 124, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/usr/local/lib/python3.10/site-packages/starlette/middleware/errors.py", line 184, in __call__
    raise exc
  File "/usr/local/lib/python3.10/site-packages/starlette/middleware/errors.py", line 162, in __call__
    await self.app(scope, receive, _send)
  File "/usr/local/lib/python3.10/site-packages/starlette/middleware/cors.py", line 84, in __call__
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.10/site-packages/starlette/exceptions.py", line 93, in __call__
    raise exc
  File "/usr/local/lib/python3.10/site-packages/starlette/exceptions.py", line 82, in __call__
    await self.app(scope, receive, sender)
  File "/usr/local/lib/python3.10/site-packages/fastapi/middleware/asyncexitstack.py", line 21, in __call__
    raise e
  File "/usr/local/lib/python3.10/site-packages/fastapi/middleware/asyncexitstack.py", line 18, in __call__
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.10/site-packages/starlette/routing.py", line 670, in __call__
    await route.handle(scope, receive, send)
  File "/usr/local/lib/python3.10/site-packages/starlette/routing.py", line 266, in handle
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.10/site-packages/starlette/routing.py", line 68, in app
    await response(scope, receive, send)
  File "/usr/local/lib/python3.10/site-packages/starlette/responses.py", line 165, in __call__
    await self.background()
  File "/usr/local/lib/python3.10/site-packages/starlette/background.py", line 43, in __call__
    await task()
  File "/usr/local/lib/python3.10/site-packages/starlette/background.py", line 26, in __call__
    await self.func(*self.args, **self.kwargs)
  File "/app/./app/core/queries.py", line 259, in get_parse_save_vacancy
    await queries.vacancies_query(db, entry)
  File "/app/./app/core/queries.py", line 218, in vacancies_query
    self.result[1] = self._update(
TypeError: 'tuple' object does not support item assignment