not able to download songs

[amitchauhan18may]

youtube-dl --verbose https://www.youtube.com/watch?v=lp-EO5I60KA [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=lp-EO5I60KA'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.07.21 [debug] Python version 2.7.6 - Linux-3.15.1-x86_64-with-Ubuntu-14.04-trusty [debug] Proxy map: {} [youtube] Setting language [youtube] lp-EO5I60KA: Downloading webpage [youtube] lp-EO5I60KA: Downloading video info webpage [youtube] lp-EO5I60KA: Extracting video information [youtube] lp-EO5I60KA: Encrypted signatures detected. [youtube] encrypted signature length 86 (45.40), itag 22, html5 player en_US-vfldAVnui\/html5player ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 469, in _decrypt_signature video_id, player_url, len(s) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 351, in _extract_signature_function player_type = id_m.group('ext') AttributeError: 'NoneType' object has no attribute 'group' ; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update. Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 469, in _decrypt_signature video_id, player_url, len(s) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 351, in _extract_signature_function player_type = id_m.group('ext') AttributeError: 'NoneType' object has no attribute 'group' Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 169, in extract return self._real_extract(url) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 845, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 479, in _decrypt_signature u'Automatic signature extraction failed: ' + tb, cause=e) ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 469, in _decrypt_signature video_id, player_url, len(s) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 351, in _extract_signature_function player_type = id_m.group('ext') AttributeError: 'NoneType' object has no attribute 'group' ; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.

[amitchauhan18may]

pls help me regarding this

[phihag]

You are using an outdated version of youtube-dl. See our FAQ on how to update. If the problem persists with the current version (2014.11.02.1 or newer), please comment again and we'll reopen this issue. Thanks!