Update app.py

app.py

@@ -172,7 +172,8 @@ def delete_index_namespace():
     index_namespace_to_delete = pinecone.Index(index_name=index_name)
     index_namespace_to_delete.delete(delete_all=True, namespace=namespace)
 
-delete_button = Button("Delete Index Namespace")
-delete_button.callback = delete_index_namespace
+btn = gr.Button(value="Delete Index Namespace")
+delete_button=btn.click(delete_index_namespace)
+
 iface = gr.Interface(fn=run_chain, inputs=[delete_button, "text"], outputs="text", title="AI Response")
 iface.launch()