def get_cart_plus_offers_async(acct):
cart_future = CartItem.query(CartItem.account == acct.key).fetch_async()
offers_future = SpecialOffer.query().fetch_async(10)
cart = cart_future.get_result()
offers = offers_future.get_result()
ndb.get_multi([item.inventory for item in cart] +
[offer.inventory for offer in offers])
return cart, offers
# [START cart_offers_tasklets]
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