no appending message

app.py

@@ -22,15 +22,16 @@ model = "gpt-3.5-turbo-16k"
 # Define the reset function
 def reset_context():
     global messages
-    messages = [{"role": "system", "content": "Translate the patent text from Chinese to English."}]
+    messages = [{"role": "system", "content": "Translate the patent text from Chinese to English."}, {"role": "user", "content": None}]
     return "Context reset!"
 
 # get the user inputs
 def translate(text_cn):
-    messages.append({"role": "user", "content": text_cn})
+    messages[1]["content"] = text_cn
+    # messages.append({"role": "user", "content": text_cn})
     response = client.chat.completions.create(
         model="ft:gpt-3.5-turbo-1106:personal::8Q7pGVU0",
-        messages=tt.trim(messages, model),
+        messages=messages,
         temperature=0.01,
         max_tokens=4096,
         top_p=1,
@@ -40,7 +41,7 @@ def translate(text_cn):
     )
 
     response = response.choices[0].message.content
-    messages.append({"role": "assistant", "content": response})
+    # messages.append({"role": "assistant", "content": response})
 
     # write text data to database
     supabase.table('gradio_text').insert({"text_cn": text_cn, "text_en": response}).execute()