Update app.py

app.py

@@ -302,9 +302,9 @@ list_tags = get_tags()
 # --- Interface Gradio ---
 with gr.Blocks(title="Search articles", css=custom_css) as demo:
     with gr.Row():
-        with gr.Columns():
+        with gr.Column():
             gr.Image(value="dataset-cover.jpg", type="filepath")
-        with gr.Columns():
+        with gr.Column():
             gr.HTML("<h1 style='text-align: center; font-weight: bold;'>190k+ Medium Articles</h1>")
             gr.Markdown("## 🔎 Search in this dataset hosted in Kaggle ([Dataset details]({https://www.kaggle.com/datasets/fabiochiusano/medium-articles}))")