# NousResearch/hermes-agent · Browser atexit hooks silenced during half-updated module tree

## Open now

- 0 issues, 1 PR open on GitHub.
- PR #112439: fix(browser): atexit hooks stay silent when the origin module is unimportable

These issues and fixes address a bug where browser atexit hooks trigger ImportError tracebacks when the origin module is unimportable during a partial (hermes) update. The work suppresses or avoids those noisy exception outputs in that specific scenario.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 1 open PR(s), 1 merged PR(s), 0 PR(s) closed without merging.
- A fix was merged to main in PR #113093. Verify it addresses your case.
- **Recommended:** read PR #113093 (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-113093`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #112437: \[Bug\]: hermes update prints 'Exception ignored in atexit callback' — browser atexit hooks fresh-import against a half-updated tree

## Prior & competing PRs

- **#113093: fix(browser): hermes update no longer prints atexit ImportError tracebacks on a half-updated tree (#112437, #112522, salvage #112439)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `tests/tools/test_browser_cleanup.py`, `tools/browser_tool_lifecycle.py`
- **#112439: fix(browser): atexit hooks stay silent when the origin module is unimportable**. open
  - maintainer direction: category `wontfix_bydesign`; implication `wontfix`; refs `5d07f7fe66`, `#112437`, `#112522`
  - files: `tests/tools/test_browser_cleanup.py`, `tools/browser_tool_lifecycle.py`

## Fix status

- Merged to main in PR #113093 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-16`.
- Subsystem: `agent`
