Update app.py

app.py

@@ -9,10 +9,10 @@ def chat_with_openai(user_input, history):
     if history is None:
         history = []
     # OpenAI APIに送信するメッセージの構築
-    messages = [{"role": "system", "content": "You are a helpful assistant."}]
+    messages = []
     for human, assistant in history:
         messages.append({"role": "user", "content": human})
-        if assistant is not None:
+        if assistant:
             messages.append({"role": "assistant", "content": assistant})
     messages.append({"role": "user", "content": user_input})
 
@@ -33,13 +33,14 @@ with gr.Blocks() as demo:
     state = gr.State([])
 
     with gr.Row():
-        with gr.Column(scale=0.85):
+        with gr.Column(scale=8):
             txt = gr.Textbox(
                 show_label=False,
                 placeholder="メッセージを入力してください...",
-                lines=1
-            ).style(container=False)
-        with gr.Column(scale=0.15, min_width=0):
+                lines=1,
+                container=False
+            )
+        with gr.Column(scale=2, min_width=0):
             btn = gr.Button("送信")
 
     def on_submit(user_input, chat_history):