Update app.py

app.py

@@ -275,7 +275,7 @@ with gr.Blocks(title="Quiz Maker", theme=gr.themes.Default(primary_hue="green",
         RAG= RAGPretrainedModel.from_pretrained("colbert-ir/colbertv2.0")
         RAG_db.value=RAG.from_index('.ragatouille/colbert/indexes/cbseclass10index')
         return 'Ready to Go!!'
-    with gr.Columns(scale=4):
+    with gr.Column(scale=4):
         gr.HTML("""
     <center>
       <h1><span style="color: purple;">AI NANBAN</span> - CBSE Class Quiz Maker</h1>
@@ -284,7 +284,7 @@ with gr.Blocks(title="Quiz Maker", theme=gr.themes.Default(primary_hue="green",
     </center>
     """)
         #gr.Warning('Retrieving using ColBERT.. First time query will take a minute for model to load..pls wait')
-    with gr.Columns(scale=2):
+    with gr.Column(scale=2):
         load_btn = gr.Button("Click to Load!🚀")
         load_text=gr.Textbox()
         load_btn.click(load_model,[],load_text)