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

Calculating dependencies ...

!!! Problem resolving dependencies for =media-sound/lash-0.5.4-r7
 done!
Dependency resolution took 0.84 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "=media-sound/lash-0.5.4-r7" has unmet requirements.
- media-sound/lash-0.5.4-r7::gentoo USE="alsa python -debug -gtk -static-libs" PYTHON_SINGLE_TARGET="-python3_12 -python3_13"

  The following REQUIRED_USE flag constraints are unsatisfied:
    python? ( exactly-one-of ( python_single_target_python3_12 python_single_target_python3_13 ) )