Update app.py

app.py

@@ -153,7 +153,7 @@ async def generate_hashtags(request: EventHashtagRequest):
         )
 
         client = InferenceClient(token=token)
-       models_to_try = [
+        models_to_try = [
             "Viet-Mistral/Vistral-7B-Chat",              # Best balance
             "vilm-ai/VinaLLaMA-7B-chat",                 # Great for culture
             "ViettelAI/Llama3-ViettelSolution-8B",       # Strong performer