Please revise this fragment so it will perform multi-label classification

from transformers import pipeline
classifier = pipeline("zero-shot-classification",
                      model="facebook/bart-large-mnli")

sequence_to_classify = "I want to close my savings account"
candidate_labels = ['Accounts', 'Savings', 'Cheque', 'Credit Card', 'Mortgage', 'Close', 'Open']
classifier(sequence_to_classify, candidate_labels)