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使用pytest中解决问题 ：'TestBaidu' object has no attribute 'driver'

import jsonimport pygalimport mathfrom pygal.style import Stylefrom itertools import groupby#打开文件filename = ‘btc_close.json’with open(filename) as f:btc_data = json.load(f)#定义空列表dates = []months = []weeks = []weekdays = []close = []#将数据写入列表中

import csv#导入日期包from datetime import datetime#导入绘图包from matplotlib import pyplot as plt#Get dates, high, and low temperatures from file.filename = ‘death_valley.csv’#打开数据文件with open(filename) as f:reader = csv.reader(f)#读取下一行header_row = next(re