Update app.py

app.py

@@ -30,7 +30,7 @@ prompt_template = f""""""
 @app.post("/chat", response_model=ChatResponse)
 async def chat(request: ChatRequest):
     try:
-        if model_choice == "HF":
+        if request.model_choice == "HF":
             if hf_token:
                 client = InferenceClient("meta-llama/Llama-3.2-3B-Instruct", token=hf_token)
             else:
@@ -50,7 +50,7 @@ async def chat(request: ChatRequest):
     
             return {"response": response.choices[0].message.content}
 
-        if model_choice == "google":
+        if request.model_choice == "google":
             genai.configure(api_key=google_api_key)
             model = genai.GenerativeModel("gemini-2.0-flash")