GET Request - Lenght Required

def _handle_get():
    try:
        #Get CSRF Token
        sess = requests.Session()
        req = sess.get('http://192.168.0.100')        
        #Referer for CSRF
        sess.headers['Referer'] = 'http://192.168.0.100'
        #POST data with DJANGO's cookie
        payload = {'csrfmiddlewaretoken': str(req.cookies['csrftoken']), 'username': 'admin', 'password': '123qwe'}
        #POST Request to Auth
        resp = sess.post('http://192.168.0.100/logincheck', data=payload, headers=sess.headers, allow_redirects=True)        
        #Get request to get data
        resp = sess.get('http://192.168.0.100/check/phase1/id=3915977', cookies=resp.cookies, headers=resp.headers, allow_redirects=True)      
        return resp
    except Exception,e:
        print str(e)
_handle_get()

resp.headers['Content-Lenght'] = '0'

resp_headers = {'csrftoken': str(resp.cookies['csrftoken']), 'fsuis': str(resp.cookies['fsuis']), 'django_language': str(resp.cookies['fsuis'])}
resp = sess.get('http://192.168.0.100/check/phase1/id=3915977', headers=resp_headers, allow_redirects=True)