uv init fails when called from Claude Code's sandbox on macOS #16916
Description
Summary
The uv init panics when run within Claude Code's sandbox. I'm guessing this is a similar problem to #16664.
╭─── Claude Code v2.0.55 ───────────────────────────────────────────────────────────────────╮
│ │ Tips for getting started │
│ Welcome back! │ Ask Claude to create a new app or clone a repository │
│ │ ──────────────────────────────────────────────────── │
│ ▗ ▗ ▖ ▖ │ Recent activity │
│ │ No recent activity │
│ ▘▘ ▝▝ │ │
│ │ │
│ Sonnet 4.5 · API Usage Billing │ │
│ /private/tmp/claude │ │
╰───────────────────────────────────────────────────────────────────────────────────────────╯
Your bash commands will be sandboxed. Disable with /sandbox.
> can you create a new python cli project using uv?
⏺ I'll help you create a new Python CLI project using uv. Let me start by checking if uv is installed and then create the
project.
⏺ Bash(uv --version)
⎿ uv 0.9.13 (Homebrew 2025-11-26)
⏺ Great! uv is installed. Now I'll create a new Python CLI project. Let me initialize a new project:
⏺ Bash(uv init my-cli-app --app)
⎿ Error: Exit code 101
thread 'main2' (35729760) panicked at /Users/brew/Library/Caches/Homebrew/cargo_cache/registry/src/index.crates.io-1949cf8c6b5
b557f/system-configuration-0.6.1/src/dynamic_store.rs:154:1:
Attempted to create a NULL object.
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
thread 'main' (35729758) panicked at /private/tmp/uv-20251126-7963-rnw244/uv-0.9.13/crates/uv/src/lib.rs:2483:10:
Tokio executor failed, was there a panic?: Any { .. }
Platform
Darwin 25.1.0 arm64
Version
uv 0.9.13 (Homebrew 2025-11-26)
Python version
Python 3.14.0