=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching websocket-1.4.2.tar.gz
=> Total size: 54101 bytes
=> Checksum SHA1 OK for websocket-1.4.2.tar.gz
=> Checksum RMD160 OK for websocket-1.4.2.tar.gz
=> Checksum SHA512 OK for websocket-1.4.2.tar.gz