Update app.py

app.py

@@ -1,38 +1,33 @@
 from fastapi import FastAPI, HTTPException
 from pydantic import BaseModel
-from db import db
+from db import db  # assumes db is an instance of AsyncIOMotorDatabase
 from bson import ObjectId
 from bson.errors import InvalidId
 
 app = FastAPI()
 
-
 class Item(BaseModel):
     name: str
     description: str
 
-
 @app.post("/items/")
 async def create_item(item: Item):
     result = await db["items"].insert_one(item.dict())
     return {"id": str(result.inserted_id), "message": "Item created"}
 
-
 @app.get("/items/")
 async def read_items():
     items = []
-    cursor = db["items"].find()
+    cursor = db["items"].find()  # This returns an AsyncIOMotorCursor
     async for document in cursor:
         document["id"] = str(document["_id"])
         del document["_id"]
         items.append(document)
     return items
 
-
 @app.get("/")
 def index():
-    return {"hello World"}
-
+    return {"message": "Hello World"}
 
 @app.get("/items/{item_id}")
 async def read_item(item_id: str):