这样：
node = 'https://anyx.io'
hive=Hive(nodes=node)
举个查询账户余额的例子：
from hive.account import Account
from hive import Hive
node = 'https://anyx.io'
hive=Hive(nodes=node)
acc=Account("fishaa",hived_instance=hive)
banner=acc.get_balances()
print(banner)