
Traceback (most recent call last):


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 743, in __call__

return func(*args, **kwargs)


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/cli/main.py", line 74, in _main

context.__init__(argparse_args=args)


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/base/context.py", line 225, in __init__

argparse_args=argparse_args)


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/common/configuration.py", line 723, in __init__

self._set_search_path(search_path)


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/common/configuration.py", line 729, in _set_search_path

self._set_raw_data(load_file_configs(search_path))


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/common/configuration.py", line 371, in load_file_configs

raw_data = odict(kv for kv in chain.from_iterable(load_paths))


 "/home/abc/anaconda2/lib/python2.7/collections.py", line 69, in __init__

self.__update(*args, **kwds)


 "/home/abc/anaconda2/lib/python2.7/_abcoll.py", line 571, in update

for key, value in other:


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/common/configuration.py", line 371, in <genexpr>

raw_data = odict(kv for kv in chain.from_iterable(load_paths))


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/common/configuration.py", line 346, in _file_yaml_loader

yield fullpath, YamlRawParameter.make_raw_parameters_from_file(fullpath)


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/common/configuration.py", line 334, in make_raw_parameters_from_file

ruamel_yaml = yaml_load(fh)


 "/home/abc/anaconda2/lib/python2.7/site-packages/conda/common/serialize.py", line 54, in yaml_load

return yaml.load(string, Loader=yaml.RoundTripLoader, version="1.2")


 "/home/abc/anaconda2/lib/python2.7/site-packages/ruamel_yaml/main.py", line 637, in load

loader = Loader(stream, version, preserve_quotes=preserve_quotes)


 "/home/abc/anaconda2/lib/python2.7/site-packages/ruamel_yaml/loader.py", line 63, in __init__

RoundTripConstructor.__init__(self, preserve_quotes=preserve_quotes, loader=self)


 "/home/abc/anaconda2/lib/python2.7/site-packages/ruamel_yaml/constructor.py", line 66, in __init__

self.allow_duplicate_keys = version_tnf((0, 15, 1), (0, 16))


 "/home/abc/anaconda2/lib/python2.7/site-packages/ruamel_yaml/compat.py", line 200, in version_tnf

from ruamel_yaml import version_info
# NOQA

ImportError: cannot import name version_info

Traceback (most recent call last):

 "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 660, in extract_info
ie_result = ie.extract(url)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 287, in extract
return self._real_extract(url)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 1820, in _real_extract
raise UnsupportedError(url)UnsupportedError: Unsupported URL: http://arstechnica.com/gadgets/2015/09/smart-rifle-company-trackingpoint-restructures-and-relaunches/