Another example of duplicate packages with different versions using --universal

[notatallshaw-gts]

$ uv -V
uv 0.2.24

$ echo -e "pylint>=2.14.5\ndill==0.3.1.1" | uv pip compile --python-version 3.10.6 --universal --annotation-style line - | grep "pylint=="
Resolved 14 packages in 43ms
pylint==2.15.8
pylint==3.2.5

My original example had the dill requirement passed in via a constraint, but after cutting out hundreds of requirements and constraints was able to reproduce a minimal example with just requirements.

[konstin]

Thanks for the clear reproduction!

pylint==3.25 has:

Requires-Dist: dill >=0.2 ; python_version < "3.11"
Requires-Dist: dill >=0.3.6 ; python_version >= "3.11"
Requires-Dist: dill >=0.3.7 ; python_version >= "3.12"

We're solving once for python_version >= '3.12' and once for python_version < '3.11', there's at least some part of #4732 here.

[notatallshaw-gts]

This appears to be solved in 0.2.35 (#5898?) I now get:

pylint==2.15.8 ; python_version >= '3.11'
pylint==3.2.6 ; python_version < '3.11'