DeadUrl: version 4.2.1: SRC_URI: HTTPSConnectionPool(host='downloads.sourceforge.net', port=443): Read timed out. (read timeout=5.0): https://downloads.sourceforge.net/swig/swig-4.2.1.tar.gz
  DeadUrl: version 4.2.1: metadata.xml: remote-id: 429 Client Error: Too Many Requests for url: https://sourceforge.net/projects/swig/
  HttpsUrlAvailable: version 4.2.1: HOMEPAGE: HTTPS url available: http://www.swig.org/ -> https://www.swig.org/