问AWS to SQL pandas AttributeError：“”Series“”对象没有属性

EN

from datetime import datetime,timedelta
import boto3
import pandas as pd
import pyodbc



cxnsql = pyodbc.connect('DSN=BD-RJ-HMG;DATABASE=AnalyticsPMais;Trusted_Connection=yes;')
s3c = boto3.client('s3')
yesterday = datetime.now() - timedelta(1)
date = datetime.strftime(yesterday, '%Y-%m-%d')
file='s3://poliedro-prod-relatorios/consumptions-'+date+'.csv'
df = pd.read_csv(file)

cursor = cxnsql.cursor()
for index, row in df.iterrows():
    cursor.execute("INSERT INTO AnalyticsPMais.dbo.LivroDigital (user_id,livro_id,date) values(?,?,?)", row.user_id, row.livro_id, row.date)
cxnsql.commit()
cursor.close()