如果使用所有标量值，则在将API更改为字符串

Question

API = os.getenv('API_KEY')

IQ = requests.get('https://financialmodelingprep.com/api/v3/stock-screener?marketCapMoreThan=1&dividendMoreThan=0&limit=100000000&&apikey=API').json()

Stocks = pd.DataFrame(IQ) Stocks.set_index("symbol", inplace = True)```

response:
If using all scalar values, you must pass an index

您已经写了它，apikey等于字符串“ API”。而是使用此：

Answer 1

IQ = requests.get(f'https://financialmodelingprep.com/api/v3/stock-screener?marketCapMoreThan=1&dividendMoreThan=0&limit=100000000&&apikey={API}').json()