uv pip list does not read all system packages in sys.path and ignores system-site-packages #2500
Description
Executing uv pip list --system does not list any packages. Similarly for freeze and show subcommands (I did not test any others).
$ uv pip list --system -vv
uv_interpreter::find_python::find_default_python
0.000148s 0ms DEBUG uv_interpreter::find_python Starting interpreter discovery for default Python
0.000319s 0ms DEBUG uv_interpreter::interpreter Cached interpreter info for Python 3.12.2, skipping probing: /usr/bin/python3
0.000334s DEBUG uv::commands::pip_list Using Python 3.12.2 environment at /usr/bin/python3OS: Fedora 39, python 3.12, amd64
uv version: 0.1.21, installed via pipx