颤振不运行

Question

我在初始化flutter项目和首次运行它时遇到问题，它不起作用，并显示以下错误消息。希望有人帮助我。谢谢大家

Flutter 1.0

失败：构建失败，并出现异常。

from bs4 import BeautifulSoup
import requests
import csv

def table_Scrape():
    url = 'https://widgets.sports-reference.com/wg.fcgi?css=1&site=pfr&url=%2Fteams%2Fnwe%2F2008.htm&div=div_rushing_and_receiving'
    req = requests.get(url)
    soup = BeautifulSoup(req.text, 'html.parser')
    table = soup.find('table', id='rushing_and_receiving')
    headers = [th.text for th in table.findAll("tr")[1]]
    body = table.find('tbody')
    with open("out.csv", "w", encoding='utf-8') as f:
        wr = csv.writer(f)
        wr.writerow(headers)
        for data_row in body.findAll("tr"):
            th = data_row.find('th')
            wr.writerow([th.text] + [td.text for td in data_row.findAll("td")])

table_Scrape()

2秒内失败 错误完成：Gradle任务assembleDebug失败，退出代码为1