DeadUrl: version 2.89: SRC_URI: HTTPSConnectionPool(host='downloads.sourceforge.net', port=443): Read timed out. (read timeout=5.0): https://downloads.sourceforge.net/asymptote/asymptote-2.89.src.tgz
  DeadUrl: version 2.89: metadata.xml: remote-id: 429 Client Error: Too Many Requests for url: https://sourceforge.net/projects/asymptote/