DeadUrl: version 1.3.12: HOMEPAGE: 429 Client Error: Too Many Requests for url: https://sourceforge.net/projects/mtx/
  DeadUrl: version 1.3.12: SRC_URI: HTTPSConnectionPool(host='downloads.sourceforge.net', port=443): Read timed out. (read timeout=5.0): https://downloads.sourceforge.net/mtx/mtx-1.3.12.tar.gz
  DeadUrl: version 1.3.12: metadata.xml: remote-id: 429 Client Error: Too Many Requests for url: https://sourceforge.net/projects/mtx/