Update app.py

app.py

@@ -20,7 +20,7 @@ async def generate_ai_response(prompt: str, model: str):
 
     client = AsyncOpenAI(base_url=endpoint, api_key=token)
 
-    try
+    try:
         stream = await client.chat.completions.create(
             messages=[
                 {"role": "system", "content": "You are a helpful assistant named Orion, created by Abdullah Ali"},