我试图使用python-requests库抓取此页面importrequestsfromlxmlimportetree,htmlurl='http://www.amazon.in/b/ref=sa_menu_mobile_elec_all?ie=UTF8&node=976419031'r=requests.get(url)tree=etree.HTML(r.text)printtree但我遇到了上述错误。(太多重定向)我尝试使用allow_redirects参数但同样的错误r=requests.get(url,allow_redirects=True)我什至尝试连同url一起发送hea