anchor.diff:  
     meta = with lib; {
       description = "TensorFlow's Visualization Toolkit";
  -    homepage = "http://tensorflow.org";
  +    homepage = "https://www.tensorflow.org/";
       license = licenses.asl20;
       maintainers = with maintainers; [ abbradar ];
     };
  
positive.code: 
  buildPythonPackage rec {
    pname = "tensorflow-tensorboard";
    version = "2.4.0";
    format = "wheel";
    disabled = !isPy3k;
  
    src = fetchPypi {
      pname = "tensorboard";
      inherit version format;
      python = "py3";
      sha256 = "0f17h6i398n8maam0r3rssqvdqnqbwjyf96nnhf482anm1iwdq6d";
    };
  
    propagatedBuildInputs = [
      numpy
      werkzeug
      protobuf
      markdown
      grpcio
      absl-py
      google-auth-oauthlib
      tensorboard-plugin-profile
      tensorboard-plugin-wit
      # not declared in install_requires, but used at runtime
      # https://github.com/NixOS/nixpkgs/issues/73840
      wheel
  
negative.code: { lib
  , fetchPypi
  , buildPythonPackage
  , pythonOlder
  , numpy
  , wheel
  , werkzeug
  