anchor.diff:      owner = "23andMe";
       repo = pname;
       rev = version;
  -    sha256 = "1xjvah4r3gpwk4zxql3c9jpllb34k175fm6iq1zvsd2vv2fwf8s2";
  +    sha256 = "0bn0himn5fwndaxn205s55bdc4np7lhd940i0lkv0m7ybhbw7dap";
     };
   
     propagatedBuildInputs = [
  
positive.code:   checkInputs = [
      pytest
    ];
  
    meta = with lib; {
      description = "A schema and validator for YAML";
  
negative.code: 
  buildPythonPackage rec {
    pname = "yamale";
    version = "3.0.8";
  
    disabled = !isPy3k;
  
  