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

Calculating dependencies ...

!!! Problem resolving dependencies for =net-im/profanity-0.15.0
 done!
Dependency resolution took 0.83 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "=net-im/profanity-0.15.0" has unmet requirements.
- net-im/profanity-0.15.0::gentoo USE="gpg python -libnotify -omemo -omemo-qrcode -otr -test -xscreensaver" 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 ) )

  The above constraints are a subset of the following complete expression:
    omemo-qrcode? ( omemo ) python? ( exactly-one-of ( python_single_target_python3_12 python_single_target_python3_13 ) )