问模块robin_stocks没有属性“get_current_positions”

EN

import robin_stocks, json
from robin_stocks import *
import robin_stocks as r
import sys
import time
import requests

content = open('config.json').read()
config = json.loads(content)

login = r.login(config['username'],config['password'], store_session=True)

my_stocks = robin_stocks.build_holdings()
for key,value in my_stocks.items():
    mystocks = key,value

print(mystocks)

WEIbalance = mystocks[1]['equity']
WEI = mystocks[0]
print('YY', WEI)
positions_data = robin_stocks.get_current_positions()

print('my equity', WEIbalance)
print(positions_data)