Update app.py

app.py

@@ -28,8 +28,8 @@ if len(embeddings_array.shape) == 1:
     embeddings_array = embeddings_array.reshape(-1, 1)
 
 # Create a new Dataset with the modified data
-new_data = data.remove_column("Abstract_Embeddings")
-new_data = new_data.add_column("Abstract_Embeddings", embeddings_array)
+new_data = data.remove_columns("Abstract_Embeddings")
+new_data = new_data.add_columns("Abstract_Embeddings", embeddings_array)
 
 new_data = new_data.add_faiss_index("Abstract_Embeddings")