{"repo":"NousResearch/hermes-agent","public_id":"100461","display_label":"Concurrent lazy SDK import crashes and byte-compile fixes","summary":"These items address crashes and stalls caused by concurrent cold-start imports of lazily installed backends, particularly the Anthropic SDK on CPython 3.12. Fixes involve serializing imports with thread locks and byte-compiling backends at install time.","subsystem":null,"counts":{"members":5,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":3},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":100911},"resolution":{"state":"unresolved","by":null},"freshness":{"state":"verified","last_verified_at":"2026-09-02T07:03:57+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.4},"fix_edges":[{"issue_number":100461,"pr_number":100911,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false}],"members":[{"kind":"issue","number":100461,"title":"v0.21.0: anthropic SDK import crashes on cpython-3.12.13 typing recursion (concurrent cold-start)","url":null,"state":"closed"},{"kind":"pr","number":100505,"title":"fix(anthropic): serialize concurrent lazy SDK imports with thread lock (#100461)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#100461","number":100461},{"kind":"pr","value":"#100461","number":100461}],"category":"uncategorized","implication":"needs_llm"},"merged":false},{"kind":"pr","number":100595,"title":"fix(anthropic): serialize concurrent lazy SDK imports (#100461)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#100505","number":100505},{"kind":"pr","value":"#100505","number":100505}],"category":"duplicate_of","implication":"duplicate"},"merged":false},{"kind":"pr","number":100829,"title":"fix(lazy-deps): byte-compile lazily installed backends at install time (#100461)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"f298911467","number":0},{"kind":"pr","value":"#100911","number":100911}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":100911,"title":"Lazily installed backends are byte-compiled at install time so first import is not a foreground cold-compile stall (refs #100461, salvage #100829)","url":null,"state":"merged","close_reason":{"category":"merged","implication":"superseded"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["tests/tools/test_lazy_deps.py","tools/lazy_deps.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}