>>> Emerging : portage://sci-physics/lhapdf-6.5.5-r2:run?{[]}

These are the packages that would be merged, in order:

Calculating dependencies... done!

 └─step  1─┤ useflag portage://sci-physics/lhapdf-6.5.5-r2 (python_single_target_python3_13)

 └─step  2─┤ download  portage://dev-cpp/yaml-cpp-0.9.0-r1
             │           └─ file ─┤ 1.01 Mb  	 yaml-cpp-0.9.0.tar.gz
             │ download  portage://sci-physics/lhapdf-6.5.5-r2
             │           └─ file ─┤ 924.59 Kb  	 lhapdf-6.5.5.tar.gz

Total: 3 actions (1 useflag, 2 downloads), grouped into 2 steps.
       1.91 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    sci-physics/lhapdf python_single_target_python3_13