anchor.diff:    };
   
     meta = with lib; {
  -    broken = stdenv.isDarwin;
       description = "Computation using data flow graphs for scalable machine learning";
       homepage = "http://tensorflow.org";
       sourceProvenance = with sourceTypes; [ binaryNativeCode ];
  
positive.code:         -e "/Requires-Dist: tensorflow-io-gcs-filesystem/d"
      )
      wheel pack ./unpacked/tensorflow*
  
      popd
    '';
  
negative.code: 
      pushd dist
  
      orig_name="$(echo ./*.whl)"
      wheel unpack --dest unpacked ./*.whl
      rm ./*.whl
      (
  