fixed errors

middlewares/chat_client.py

@@ -59,7 +59,7 @@ def chat(session_state, query, config):
         temperature=temperature,
         max_new_tokens=max_new_tokens,
         top_p=top_p,
-        repetition_penalty=repetition_penalty,
+        repetition_penalty=repetion_penalty,
         do_sample=True,
         seed=42,
     )