Remove unused imports (F401) and duplicate/shadowed import
redefinitions (F811) across the codebase using ruff's safe
autofixes. No behavioral changes -- imports only.
- ~1400 safe autofixes applied across 644 files (net -1072 lines)
- __init__.py re-exports preserved (excluded from F401 removal so
public re-export surfaces stay intact)
- Re-exports that are imported or monkeypatched by tests but look
unused in their defining module are kept with explicit # noqa:
F401 (gateway/run.py load_dotenv; run_agent re-exports from
agent.message_sanitization, agent.context_compressor,
agent.retry_utils, agent.prompt_builder, agent.process_bootstrap,
agent.codex_responses_adapter)
- Unsafe F841 (unused-variable) fixes deliberately skipped -- those
can change behavior when the RHS has side effects
- ruff lints remain disabled in pyproject.toml (only PLW1514 is
selected); this is a one-time cleanup, not a config change
Verification:
- python -m compileall: clean
- pytest --collect-only: all 27161 tests collect (zero import errors)
- core entry points import clean (run_agent, model_tools, cli,
toolsets, hermes_state, batch_runner, gateway)
- static scan: every name any test imports directly from an edited
module still resolves
setup_path() writes the user-facing hermes shim with `cat >`, which
follows existing symlinks. Older installs created
`$command_link_dir/hermes` as a symlink to `$HERMES_BIN`
(`venv/bin/hermes`), so re-running install.sh stomped the pip entry
point with a bash shim that exec'd itself in an infinite loop.
`rm -f` the link target before writing so the shim lands at
`$command_link_dir/hermes` and the venv entry point is left intact.
Adds a regression test that reproduces the symlink-stomp end-to-end
(creates the symlink, drives the real shim-write block from setup_path,
asserts the venv pip script body survives and the shim is now a regular
file). Both new assertions fail on origin/main and pass with the fix.
Closes#21454.
