Update app.py

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 import requests
 import os
-import uvicorn
+
 HF_TOKEN = os.environ.get("HF_TOKEN")
 API_URL = "https://api-inference.huggingface.co/models/dali4444444/chery-sav-chatbot"
 SYSTEM_PROMPT = """Tu es l'assistant SAV officiel du Centre Chery Tunisie.
@@ -17,7 +17,6 @@ def chat(message, history):
     prompt += f"{message} [/INST]"
 
     headers = {"Authorization": f"Bearer {HF_TOKEN}"}
-
     payload = {
         "inputs": prompt,
         "parameters": {
@@ -49,4 +48,4 @@ demo = gr.ChatInterface(fn=chat, title="🚗 Chery SAV Assistant")
 
 if __name__ == "__main__":
     port = int(os.environ.get("PORT", 7860))
-    uvicorn.run(app, host="0.0.0.0", port=port)
+    demo.launch(server_name="0.0.0.0", server_port=port)  # ✅ use demo.launch(), not uvicorn