opened login page after scraping

[sarada2823]

result = session_requests.post(login_url, data = payload, headers = headers)

print result.status_code
print result.content

nextresult = session_requests.get(next_url, headers = dict(referer = next_url))
nexthtmltree = html.fromstring(nextresult.content)
print nextresult.content

the nextresult content again prints the login page