[CRUNCHYROLL] Download fails with ASCII encoding error.

[RandomContributor]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2020.07.28
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--cookies', u'cookiefile', u'-vF', u'https://www.crunchyroll.com/idolish7']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.07.28
[debug] Python version 2.7.17 (CPython) - Linux-5.4.0-42-generic-x86_64
[debug] exe versions: ffmpeg 3.4.8, ffprobe 3.4.8
[debug] Proxy map: {}
[crunchyroll] 7: Downloading webpage
Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/bin/youtube-dl/__main__.py", line 19, in <module>
  File "/usr/bin/youtube-dl/youtube_dl/__init__.py", line 474, in main
  File "/usr/bin/youtube-dl/youtube_dl/__init__.py", line 464, in _real_main
  File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2019, in download
  File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 797, in extract_info
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 530, in extract
  File "/usr/bin/youtube-dl/youtube_dl/extractor/crunchyroll.py", line 426, in _real_extract
  File "/usr/bin/youtube-dl/youtube_dl/extractor/crunchyroll.py", line 277, in _download_webpage
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 794, in _download_webpage
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 660, in _download_webpage_handle
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 627, in _request_webpage
  File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2238, in urlopen
  File "/usr/lib/python2.7/urllib2.py", line 429, in open
    response = self._open(req, data)
  File "/usr/lib/python2.7/urllib2.py", line 447, in _open
    '_open', req)
  File "/usr/lib/python2.7/urllib2.py", line 407, in _call_chain
    result = func(*args)
  File "/usr/bin/youtube-dl/youtube_dl/utils.py", line 2580, in http_open
  File "/usr/lib/python2.7/urllib2.py", line 1202, in do_open
    h.request(req.get_method(), req.get_selector(), req.data, headers)
  File "/usr/lib/python2.7/httplib.py", line 1082, in request
    self._send_request(method, url, body, headers)
  File "/usr/lib/python2.7/httplib.py", line 1121, in _send_request
    self.putheader(hdr, value)
  File "/usr/lib/python2.7/httplib.py", line 1057, in putheader
    values = [str(v) for v in values]
UnicodeEncodeError: 'ascii' codec can't encode character u'\xe4' in position 644: ordinal not in range(128)

Description

Crunchyroll download fails with the message above. Note that this also applies to other URLs. Cookies were given to bypass the issue occuring in #25744 .