I work behind a proxy and I have tried to install a python package with pip from the terminal but it shows the following error (I have tried to install electronjs with npm and it also gives me errors with the network):

WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x7fed4cdc32e0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/virtualenv/

I work with cntlm and in the network options I did the following configuration:

I edited the /etc/environment and /etc/apt/apt.conf files as follows:

$ cat /etc/environment
http_proxy=""
https_proxy=""
ftp_proxy=""

$ cat /etc/apt/apt.conf
Acquire::http::Proxy "";
Acquire::https::Proxy "";
Acquire::ftp::Proxy "";

11 Sorted by: Reset to default

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