爬取谷歌商店各搜索词排名时，报错“由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败”，请帮忙！ | python | python 技术论坛-380玩彩网官网入口

//以下是我的代码

import requests
import httplib2
import lxml
import re
import time
from lxml import etree
from urllib.parse import urlencode
from httplib2 import socks
app_id = '146'
top_cnt = 200
gp_search_url = 'http://play.google.com/store/search'
proxy_host = '115.29.170.73'
proxy_port = 2080
def get_pack(url_data):
    proxy = httplib2.proxyinfo(socks.proxy_type_socks5, proxy_host, proxy_port)
    http = httplib2.http(proxy_info=proxy)
    uri = '%s?%s' % (gp_search_url, urlencode(url_data))
    response, content = http.request(uri, 'get')
    return content
def parse_page(content, keyword):
    tree = etree.html(content)
    pack_names = tree.xpath(u'//div(@class="card-listtwo-cards")/div/@data-docid')
    rankings = []
    for i,pack_name in enumerate(pack_names,start=1):
        if keyword in pack_name:
            rankings.append((pack_name, i))
    return rankings
if __name__ == "__main__":
    keyword = "your_keyword_here"
    url_data = {'q':keyword}
    content = get_pack(url_data)
    rankings = parse_page(content, keyword)
    for app_info in rankings:
        print(f"app:{app_info[0]},rank:{app_info[1]}")