Error while trying to install using pip

[Panant4]

WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f7347a78310>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/instagram-explore/'

Hello,

Not sure what the above error is. Any help would be appreciated.