
Traceback (most recent call last):


 "/home/travis/miniconda/lib/python3.5/site-packages/conda/exceptions.py", line 632, in conda_exception_handler

return_value = func(*args, **kwargs)


 "/home/travis/miniconda/lib/python3.5/site-packages/conda_env/cli/main_update.py", line 82, in execute

if not (args.name or args.prefix):

AttributeError: 'Namespace' object has no attribute 'prefix'

WARNING: Writing cache to u'/Users/[username]/.cache/youtube-dl/youtube-sigfuncs/js_vflqZIm5b_88.json' failed: Traceback (most recent call last):

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 388, in _extract_signature_function
cache_res = res(test_string)

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 446, in <lambda>
return lambda s: initial_function([s])

 "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)

 "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)

 "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]KeyError: u'lo'