uv pip tree lists pylint's dep dill twice #16067
Description
Summary
uv pip tree lists pylint's dependency dill twice in the tree.
Project init
% uv init example && cd example && uv add pylint
Initialized project `example` at `/Users/.../example`
Using CPython 3.13.7
Creating virtual environment at: .venv
Resolved 9 packages in 33ms
Installed 7 packages in 12ms
+ astroid==3.3.11
+ dill==0.4.0
+ isort==6.0.1
+ mccabe==0.7.0
+ platformdirs==4.4.0
+ pylint==3.3.8
+ tomlkit==0.13.3uv pip tree -v output with duplicate dill records
% uv pip tree -v
DEBUG uv 0.8.22 (ade2bdbd2 2025-09-23)
DEBUG Acquired shared lock for `/Users/.../.cache/uv`
DEBUG Searching for default Python interpreter in virtual environments, managed installations, or search path
DEBUG Found `cpython-3.13.7-macos-aarch64-none` at `/Users/.../example/.venv/bin/python3` (virtual environment)
DEBUG Using Python 3.13.7 environment at: .venv
pylint v3.3.8
├── astroid v3.3.11
├── dill v0.4.0
├── dill v0.4.0
├── isort v6.0.1
├── mccabe v0.7.0
├── platformdirs v4.4.0
└── tomlkit v0.13.3
DEBUG Released lock at `/Users/.../.cache/uv/.lock`
Platform
macOS (Darwin) 24.6.0 arm64
Version
uv 0.8.22 (ade2bdb 2025-09-23)
Python version
Python (CPython) 3.13.7