# NousResearch/hermes-agent · CLI startup NameError fix for file_signature import

## Open now

- Nothing open on GitHub.

A regression caused the CLI to crash on launch with a NameError due to missing imports of 'file_signature' in TUI and config watcher code. These members address identifying and fixing those missing imports.

## TL;DR

- 4 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 2 PR(s) closed without merging.
- A fix was merged to main in PR #112002. Verify it addresses your case.
- **Recommended:** read PR #112002 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-112002`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.50`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Closed / duplicate issues

- #111942: \[Bug\]: CLI crashes on startup with NameError: name 'file_signature' is not defined (cli_tui_mixin.py, regression from #111408)

## Prior & competing PRs

- **#112002: fix(cli): hermes no longer crashes on launch with NameError file_signature (#111942, salvage #111947)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `hermes_cli/cli_tui_mixin.py`, `tests/hermes_cli/test_cli_mcp_config_watch.py`
- **#111947: fix(cli): import file_signature in TUI run-state init**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#112002`
- **#111951: fix(cli): import config watcher signature helper**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#111947`

## Fix status

- Merged to main in PR #112002 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-15`.