Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
>           raise ConnectionError(e, request=request)
E           requests.exceptions.ConnectionError: HTTPSConnectionPool(host='raw.githubusercontent.com', port=443): Max retries exceeded with url: /scipy/dataset-ascent/main/ascent.dat (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7ff3d1dc9250>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution'))
An exception indicates failed connection to the internet