anchor.diff:    meta = {
       description = "A Postgres WAL-shipping disaster recovery and replication toolkit";
       homepage = "https://github.com/wal-e/wal-e";
  -    maintainers = [];
  +    maintainers = [ ];
       license = lib.licenses.bsd3;
       platforms = lib.platforms.linux;
     };
  
positive.code: 
    namePrefix = "";
  
    src = fetchurl {
      url = "https://github.com/wal-e/wal-e/archive/v${version}.tar.gz";
      sha256 = "5TTd7NTO73+MCJf3dHIcNojjHdoaKJ1T051iW7Kt9Ow=";
    };
  
    # needs tox
  
negative.code: { lib, fetchFromGitHub, python3Packages, lzop, postgresql, pv }:
  
  python3Packages.buildPythonApplication rec {
    pname = "wal-e";
  