anchor.diff:  , markdown
   , futures
   , absl-py
  +, google-auth-oauthlib
   }:
   
   # tensorflow/tensorboard is built from a downloaded wheel, because
  
positive.code:     format = "wheel";
    } // (if isPy3k then {
      python = "py3";
      sha256 = "1g62i3nrgp8q9wfsyqqjkkfnsz7x2k018c26kdh527h1yrjjrbac";
    } else {
      python = "py2";
      sha256 = "0l3zc8j2sh7h1z4qpy8kfvclv3kzndri55p10i42q6xahs9phav1";
    }));
  
    propagatedBuildInputs = [
  
negative.code:     markdown
      grpcio
      absl-py
      google-auth-oauthlib
      # not declared in install_requires, but used at runtime
      # https://github.com/NixOS/nixpkgs/issues/73840
      wheel
  