Update app.py

app.py

@@ -104,7 +104,7 @@ Chat UI using Gradio Blocks.
 with gr.Blocks() as chatUI:
     # gr.State()
     with gr.Row():
-        with gr.Column(scale=1):
+        with gr.Column(scale=1, min_width=200):
             gr.Markdown(
                 r"Query History"
             )