How do I check the result of anvil.stripe.Customer.charge(...)?

[p.colbert]

If you’re in the middle of Stripe-related fixes, you might run into this one, too:

Error when user closes Stripe popup via (x)

This is most puzzling. The end-user should be able to reject a charge, at the last minute, by clicking the (x) in the upper right corner of Stripe’s pop-up. However, when they do that, Anvil then reports the following error, and I have no clue as to what I need to code in order to gracefully handle it. Anvil’s error message: AttributeError: ‘module’ object has no attribute ‘error’ Occurs during the following code: try: token, user_info = stripe.checkout.get_token( …