@app.put("/invalid-user/{user_id}")
def put_invalid_user(
    user_id: str, name: str = Body(), db: dict = Depends(get_database)
):
    db[user_id] = name
    raise HTTPException(status_code=400, detail="Invalid user")


@app.put("/user/{user_id}")
def put_user(user_id: str, name: str = Body(), db: dict = Depends(get_database)):
    db[user_id] = name
    return {"message": "OK"}


@pytest.fixture(autouse=True)

Dependencies with `yield` can now catch `HTTPException` and custom exceptions. For example:

```Python
async def get_database():
    with Session() as session:
        try:
            yield session
        except HTTPException:
            session.rollback()
            raise
        finally: