Update app.py

app.py

@@ -9,12 +9,11 @@ meo_system = os.environ.get("MEO")
 def respond(
     message,
     history: list[tuple[str, str]],
-    system_message = meo_system,
     max_tokens,
     temperature,
     top_p,
 ):
-    messages = [{"role": "system", "content": system_message}]
+    messages = [{"role": "system", "content": meo_system}]
 
     for val in history:
         if val[0]: