Merge pull request #2 from 05rs/issue_1_fix

Issue 1: raised exception

2_creating_get_route_query.py

@@ -37,7 +37,7 @@ def index() -> dict[str, dict[int, Item]]:
 @app.get("/items/{item_id}")
 def query_item_by_id(item_id: int) -> Item:
     if item_id not in items:
-        HTTPException(status_code=404, detail=f"Item with {item_id=} does not exist.")
+        raise HTTPException(status_code=404, detail=f"Item with {item_id=} does not exist.")
 
     return items[item_id]