DeadUrl: version 1.4-r1: HOMEPAGE: 429 Client Error: Too Many Requests for url: https://sourceforge.net/projects/apng/
  DeadUrl: version 1.4-r1: SRC_URI: HTTPSConnectionPool(host='downloads.sourceforge.net', port=443): Read timed out. (read timeout=5.0): https://downloads.sourceforge.net/apng/apngopt-1.4-src.zip
  DeadUrl: version 1.4-r1: metadata.xml: remote-id: 429 Client Error: Too Many Requests for url: https://sourceforge.net/projects/apng/