问Python请求标头Cookie问题

EN

            SelectProxy.select_proxy()
            local_proxy = SelectProxy.global_proxy

            session = requests.Session()
            session.proxies = {local_proxy}
            cookies = session.cookies

            url = movie_url

            headers ={
            'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
            'Accept-Encoding': 'gzip, deflate',
            'Accept-Language': 'en-GB,en-US;q=0.9,en;q=0.8',
            'Cache-Control': 'max-age=0',
            'Connection': 'keep-alive',
            'Cookie': cookies,
            'Host': 'www.sky.com',
            'If-Modified-Since': 'Sat, 18 Aug 2018 14:45:31 GMT',
            'Upgrade-Insecure-Requests': '1',
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36'
            }

            r = session.get(url, headers=headers)

Traceback (most recent call last):
  File "G:\Python27\Kodi\Sky Q Movies Scraper.py", line 33, in <module>
    class sky_movies:
  File "G:\Python27\Kodi\Sky Q Movies Scraper.py", line 90, in sky_movies
    r = session.get(url, headers=headers)
  File "G:\Python27\lib\site-packages\requests\sessions.py", line 488, in get
    return self.request('GET', url, **kwargs)
  File "G:\Python27\lib\site-packages\requests\sessions.py", line 461, in request
    prep = self.prepare_request(req)
  File "G:\Python27\lib\site-packages\requests\sessions.py", line 394, in prepare_request
    hooks=merge_hooks(request.hooks, self.hooks),
  File "G:\Python27\lib\site-packages\requests\models.py", line 295, in prepare
    self.prepare_headers(headers)
  File "G:\Python27\lib\site-packages\requests\models.py", line 409, in prepare_headers
    check_header_validity(header)
  File "G:\Python27\lib\site-packages\requests\utils.py", line 800, in check_header_validity
    "not %s" % (value, type(value)))
InvalidHeader: Header value <RequestsCookieJar[]> must be of type str or bytes, not <class 'requests.cookies.RequestsCookieJar'>