anchor.diff:      owner = "life4";
       repo = pname;
       rev = "refs/tags/${version}";
  -    hash = "sha256-eSSyLBwPc0rrfew91nLBagYDD6aJRyx0cE9YTTSODI8=";
  +    hash = "sha256-LXBAWbm8fT/jYNbzB95YeBL9fEknMNJvkTRMbc+nf6c=";
     };
   
     nativeBuildInputs = [
  
positive.code: 
  buildPythonPackage rec {
    pname = "deal-solver";
    version = "0.1.0";
    format = "pyproject";
    disabled = pythonOlder "3.6";
  
  
negative.code:     hypothesis
    ];
  
    pythonImportsCheck = [ "deal_solver" ];
  
    meta = with lib; {
  