i tried(spyder,windows 10,python 3.7) : "conda install -c marufr python-igraph"
this happened:
Solving environment: failed
CondaHTTPError: HTTP 000 CONNECTION FAILED for url https://repo.anaconda.com/pkgs/r/win-64/repodata.json.bz2 Elapsed: -
An HTTP error occurred when trying to retrieve this URL. HTTP errors are often intermittent, and a simple retry will get you on your way.
If your current network has https://www.anaconda.com blocked, please file a support request with your network engineering team.
ProxyError(MaxRetryError("HTTPSConnectionPool(host='repo.anaconda.com', port=443): Max retries exceeded with url: /pkgs/r/win-64/repodata.json.bz2 (Caused by ProxyError('Cannot connect to proxy.', OSError('Tunnel connection failed: 407 Proxy Authentication Required')))"))