Thanks for your reply:
conda install mayavi produced the following:
`$ /root/anaconda3/bin/conda install mayavi`
Traceback (most recent call last):
File "/root/anaconda3/lib/python3.5/site-packages/conda/exceptions.py", line 479, in conda_exception_handler
return_value = func(*args, **kwargs)
File "/root/anaconda3/lib/python3.5/site-packages/conda/cli/main.py", line 145, in _main
exit_code = args.func(args, p)
File "/root/anaconda3/lib/python3.5/site-packages/conda/cli/main_install.py", line 80, in execute
install(args, parser, 'install')
File "/root/anaconda3/lib/python3.5/site-packages/conda/cli/install.py", line 238, in install
prefix=prefix)
File "/root/anaconda3/lib/python3.5/site-packages/conda/api.py", line 24, in get_index
index = fetch_index(channel_urls, use_cache=use_cache, unknown=unknown)
File "/root/anaconda3/lib/python3.5/site-packages/conda/fetch.py", line 300, in fetch_index
repodatas = [(u, f.result()) for u, f in zip(urls, futures)]
File "/root/anaconda3/lib/python3.5/site-packages/conda/fetch.py", line 300, in <listcomp>
repodatas = [(u, f.result()) for u, f in zip(urls, futures)]
File "/root/anaconda3/lib/python3.5/concurrent/futures/_base.py", line 398, in result
return self.__get_result()
File "/root/anaconda3/lib/python3.5/concurrent/futures/_base.py", line 357, in __get_result
raise self._exception
File "/root/anaconda3/lib/python3.5/concurrent/futures/thread.py", line 55, in run
result = self.fn(*self.args, **self.kwargs)
File "/root/anaconda3/lib/python3.5/site-packages/conda/fetch.py", line 75, in func
res = f(*args, **kwargs)
File "/root/anaconda3/lib/python3.5/site-packages/conda/fetch.py", line 117, in fetch_repodata
timeout=(6.1, 60))
File "/root/anaconda3/lib/python3.5/site-packages/requests/sessions.py", line 501, in get
return self.request('GET', url, **kwargs)
File "/root/anaconda3/lib/python3.5/site-packages/requests/sessions.py", line 488, in request
resp = self.send(prep, **send_kwargs)
File "/root/anaconda3/lib/python3.5/site-packages/requests/sessions.py", line 641, in send
r.content
File "/root/anaconda3/lib/python3.5/site-packages/requests/models.py", line 797, in content
self._content = bytes().join(self.iter_content(CONTENT_CHUNK_SIZE)) or bytes()
File "/root/anaconda3/lib/python3.5/site-packages/requests/models.py", line 730, in generate
chunk = self.raw.read(chunk_size)
AttributeError: 'FileNotFoundError' object has no attribute 'read'
Gary R