extractor not worked by new aparat.com update

[ehsan653]

• I'm reporting a broken site support issue
• I've verified that I'm running youtube-dl version 2019.09.01
• 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 bug reports including closed ones
• I've read bugs section in FAQ

Verbose log

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'https://www.aparat.com/v/1W57J']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.09.01
[debug] Python version 2.7.15+ (CPython) - Linux-4.15.0-55-generic-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 3.4.6, ffprobe 3.4.6
[debug] Proxy map: {}
[Aparat] 1W57J: Downloading webpage
[Aparat] 1W57J: Downloading m3u8 information
WARNING: [Aparat] 1W57J: Failed to parse JSON Invalid control character at: line 7 column 269 (char 632)
ERROR: An extractor error has occurred. (caused by KeyError(u'title',)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 530, in extract
    ie_result = self._real_extract(url)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/aparat.py", line 88, in _real_extract
    info['title'] = player['title']
KeyError: u'title'
Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 796, in extract_info
    ie_result = ie.extract(url)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 543, in extract
    raise ExtractorError('An extractor error has occurred.', cause=e)
ExtractorError: An extractor error has occurred. (caused by KeyError(u'title',)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Description

extractor not worked by new aparat.com update.
i search it and found
#17445
but problem alive.