anchor.diff:      owner = "tiangolo";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-tSZ5isMzDhDsuVNQdoYXG0IYkgCvdVdARtFXELNjTtk=";
  +    hash = "sha256-B4q3Q256Sj4jTQt1TDm3fiEaQKdVxddCF9+KsxkkTWo=";
     };
   
     propagatedBuildInputs = [
  
positive.code:     pytest-asyncio
      sqlalchemy
      trio
    ];
  
    postPatch = ''
  
negative.code: 
  buildPythonPackage rec {
    pname = "fastapi";
    version = "0.75.2";
    format = "flit";
  
    disabled = pythonOlder "3.6";
  