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python3 -m pytest bankutxocoin_tests.py
============================= test session starts ==============================
platform darwin -- Python 3.6.0, pytest-3.8.2, py-1.6.0, pluggy-0.7.1
rootdir: /Users/JMH/version-control/BUIDL/BUIDL-Week1/digital-cash, inifile:
collected 1 item

bankutxocoin_tests.py F [100%]

=================================== FAILURES ===================================
______________________________ test_bank_balances ______________________________

def test_bank_balances():
    # Create bank and issue Alice some coins
    bank = Bank()

  coinbase = bank.issue(1000, alice_public_key)

bankutxocoin_tests.py:15:

mybankutxocoin.py:55: in issue
self.update_utxo(tx)

self = <mybankutxocoin.Bank object at 0x103b9f710>
tx = <mybankutxocoin.Tx object at 0x103a34a90>

def update_utxo(self, tx):
    for tx_in in tx.tx_ins:
        del self.utxo[tx_in.outpoint]

    for tx_out in tx.tx_outs:

      self.utxo[tx_out.outpoint] = tx_out

E AttributeError: 'TxOut' object has no attribute 'outpoint'

mybankutxocoin.py:48: AttributeError