Traceback (most recent call last):


 "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 785, in extract_info

ie_result = ie.extract(url)


 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 453, in extract

raise ExtractorError('An extractor error has occurred.', cause=e)
ExtractorError: An extractor error has occurred. (caused by KeyError(u'data',)); 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):


 "/home/hejia/Projects/garage/tests/test_algos.py", line 96, in test_polopt_algo

policy = policy_cls(env_spec=env.spec, )


 "/home/hejia/Projects/garage/garage/policies/gaussian_mlp_policy.py", line 56, in __init__

assert isinstance(env_spec.action_space, Box)
AttributeError: 'NoneType' object has no attribute 'action_space'
