Python读取配置文件：ConfigParser.NoSectionError: No section:

配置文件：
[db]
url=www.baidu.com
[bowers]
bowers_ff=firefox
bowers_cr=chrome
bowers_ie=ie

代码：
# -- coding: UTF-8 --
import os,sys
import ConfigParser
# class ReadConf():

cf = ConfigParser.ConfigParser()
path = “../conf/driver_data.ini”
# open file
fileopen = open(path)
# read opened file
cf.readfp(fileopen)
# read all section
secs = cf.sections()
print ‘sections:’, secs
# read db section url value
print cf.get(‘db’,’url’)
# read bowers all item&key
kvs = cf.items(‘bowers’)
print ‘bowers:’, kvs

运行结果：
C:\Python27\python.exe C:/Users/zj/PycharmProjects/study/refreshCourseware/driver/Read_conf.py
sections: [‘db’, ‘bowers’]
www.baidu.com
db: [(‘bowers_ff’, ‘firefox’), (‘bowers_cr’, ‘chrome’), (‘bowers_ie’, ‘ie’)]

Process finished with exit code 0