修复bug

app.py

@@ -5,13 +5,13 @@ llm = Llama(model_path="./neuralhermes-2.5-mistral-7b.Q5_K_M.gguf",
 
 
 def chat_completion(messages, history, system_prompt):
-    messages = [{"role": "system", "content": system_prompt}]
+    messages_prompts = [{"role": "system", "content": system_prompt}]
     for human, assistant in history:
-        messages.append({"role": "user", "content": human })
-        messages.append({"role": "assistant", "content":assistant})
-    messages.append({"role": "user", "content": messages})
+        messages_prompts.append({"role": "user", "content": human })
+        messages_prompts.append({"role": "assistant", "content":assistant})
+    messages_prompts.append({"role": "user", "content": messages})
     response = llm.create_chat_completion(
-        messages=messages,
+        messages=messages_prompts,
         stream=True
     )
     partial_message = ""