Cairn
NousResearch/hermes-agent

cron worker spawned with wrong interpreter on PM installs

Cluster 126112 · cron. Data as of

Nothing open on GitHub. Fix merged in #126344 on 28 Sep 2026. Check it covers your case.

The short answer

0open issues
0open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #126344. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this unresolved. That is separate from the fix event.
Still open
Nothing open on GitHub.

These items address a bug where the restart-safe cron external worker is spawned using the bare system Python interpreter rather than the package-manager-aware one, causing missing-dependency errors such as 'No module named ruamel'. The work covers diagnosis, a fix, and hardening against broken PM boot scenarios.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #126344 Restart-safe cron jobs no longer die on 'No module named ruamel' under multiplex, and fail closed on a broken PM boot (#122222, salvage #122936)

    merged to main

    files: contributors/emails/[email protected], contributors/emails/[email protected], contributors/emails/[email protected], contributors/emails/[redacted:email], contributors/emails/[redacted:email], cron/AGENTS.md, cron/__init__.py, cron/scheduler.py, cron/scheduler_worker_env.py, cron/worker_bootstrap.py, tests/cron/test_restart_safe_worker.py

1 PR closed without merging

From the close comments: superseded by another PR 1

  • #126117 fix(cron): spawn restart-safe worker on the PM generation interpreter · superseded by another PR → #126344, #122290, #122936
Closed issues · 1
  • Closed#126112Restart-safe cron external worker dies on PM-generation installs: spawned with sys.executable (bare interpreter, no deps)
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.67: the share of item 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.

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At a glance

Subsystem
cron
Merged PRs
#126344
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
28 Sep 2026

For your agent

The same facts, typed.

cluster/126112.json
cluster/126112.md