Set buyer name

example.py

import balanced

key = balanced.APIKey().save()
balanced.configure(key.secret)
balanced.Marketplace().save()

card = balanced.Marketplace.my_marketplace.create_card(
    name='John Stewart',
    card_number='5105105105105100',
    expiration_month='12',
    expiration_year='2020',
    security_code='123',
)
buyer = balanced.Marketplace.my_marketplace.create_buyer('buyer@example.org',
    card_uri=card.uri, name='Test User')


assert(buyer.name == 'Test User')