anchor.diff:  
     src = python3.pkgs.fetchPypi {
       inherit pname version;
  -    sha256 = "sha256-lKEztwwn1pnALuwDiA1Ik9+XCVyO+UMobv+hXu0mn5w=";
  +    sha256 = "sha256-wCDaT9Nz1ZiSsqFwX1PXHq6QF6fjLRI9wwvvWxcmYOY=";
     };
   
     patches = [
  
positive.code: 
  python3.pkgs.buildPythonApplication rec {
    pname = "you-get";
    version = "0.4.1612";
  
    # Tests aren't packaged, but they all hit the real network so
    # probably aren't suitable for a build environment anyway.
  
negative.code:   meta = with lib; {
      description = "A tiny command line utility to download media contents from the web";
      homepage = "https://you-get.org";
      changelog = "https://github.com/soimort/you-get/raw/v${version}/CHANGELOG.rst";
      license = licenses.mit;
      maintainers = with maintainers; [ ryneeverett ];
    };
  