DeadUrl: version 4.10.6-r2: HOMEPAGE: 429 Client Error: Too Many Requests for url: https://djvu.sourceforge.net/djview4.html
  DeadUrl: version 4.10.6-r2: SRC_URI: HTTPSConnectionPool(host='downloads.sourceforge.net', port=443): Read timed out. (read timeout=5.0): https://downloads.sourceforge.net/djvu/djview-4.10.6.tar.gz
  DeadUrl: version 4.10.6-r2: metadata.xml: remote-id: 429 Client Error: Too Many Requests for url: https://sourceforge.net/projects/djvu/