# NousResearch/hermes-agent · Stale utils module breaks hermes after update

## Open now

- Nothing open on GitHub.

A bug where updating hermes causes an ImportError due to a leftover root-level utils module. The accompanying fixes address purging stale modules during the update process.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #112062. Verify it addresses your case.
- **Recommended:** read PR #112062 (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-112062`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.67`: 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

- #111943: \[Bug\]: hermes update bricked my install. ImportError: cannot import name 'file_signature' from 'utils'

## Prior & competing PRs

- **#112062: fix(update): hermes update no longer dies on stale root-level modules like utils (#111943, #111944, salvage #109314)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `contributors/emails/[redacted:email]`, `hermes_cli/update_cmd.py`, `hermes_cli/update_cmd_config.py`, `hermes_cli/update_cmd_maint.py`, `tests/hermes_cli/test_update_config_reload_tools_config.py`, `tests/hermes_cli/test_update_stale_module_purge.py`
- **#111953: fix(update): purge stale utils module after update**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#109314`, `#111954`, `#111230`

## Fix status

- Merged to main in PR #112062 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-15`.