How to use the blockcypher.api.get_input_addresses function in blockcypher

# Verify TX requested to sign is as expected
    tx_is_correct, err_msg = verify_unsigned_tx(
            unsigned_tx=unsigned_tx,
            outputs=outputs,
            sweep_funds=sweep_funds,
            change_address=change_address,
            coin_symbol=coin_symbol,
            )
    if not tx_is_correct:
        puts(colored.red('TX Error: Tx NOT Signed or Broadcast'))
        puts(colored.red(err_msg))
        # Abandon
        return

    input_addresses = get_input_addresses(unsigned_tx)
    verbose_print('input_addresses')
    verbose_print(input_addresses)

    address_paths = [{'path': x['hd_path'], 'address': x['addresses'][0]} for x in unsigned_tx['tx']['inputs']]

    # be sure all addresses returned
    address_paths_filled = verify_and_fill_address_paths_from_bip32key(
            address_paths=address_paths,
            master_key=mpriv,
            network=guess_network_from_mkey(mpriv),
            )

    verbose_print('adress_paths_filled:')
    verbose_print(address_paths_filled)
    hexkeypair_dict = hexkeypair_list_to_dict(address_paths_filled)

# Verify TX requested to sign is as expected
    tx_is_correct, err_msg = verify_unsigned_tx(
            unsigned_tx=unsigned_tx,
            outputs=outputs,
            sweep_funds=sweep_funds,
            change_address=change_address,
            coin_symbol=coin_symbol,
            )
    if not tx_is_correct:
        puts(colored.red('TX Error: Tx NOT Signed or Broadcast'))
        puts(colored.red(err_msg))
        # Abandon
        return

    input_addresses = get_input_addresses(unsigned_tx)
    verbose_print('input_addresses')
    verbose_print(input_addresses)

    address_paths = [{'path': x['hd_path'], 'address': x['addresses'][0]} for x in unsigned_tx['tx']['inputs']]

    # be sure all addresses returned
    address_paths_filled = verify_and_fill_address_paths_from_bip32key(
            address_paths=address_paths,
            master_key=mpriv,
            network=guess_network_from_mkey(mpriv),
            )

    verbose_print('adress_paths_filled:')
    verbose_print(address_paths_filled)
    hexkeypair_dict = hexkeypair_list_to_dict(address_paths_filled)