Update app.py

app.py

@@ -1,18 +1,16 @@
-# backend.py (in root of Space repo)
-
 from fastapi import FastAPI
 from pydantic import BaseModel
 from qabot import llm_chain
-#cheese
+
 app = FastAPI()
 
+@app.get("/")
+def health_check():
+    return {"status": "FastAPI is running!"}
+
 class Query(BaseModel):
     query: str
 
-@app.get("/")
-def root():
-    return {"message": "FastAPI backend is running!"}
-
 @app.post("/ask")
 def ask_question(query: Query):
     result = llm_chain.invoke({"query": query.query})