{
  "id": "P120",
  "slug": "python-3-13-nis-module-removed-pep-594",
  "status": "search-observed",
  "product": "Python 3.13 / nis",
  "family": "Standard library removal",
  "canonical_url": "https://gitdocs.org/fix/python-3-13-nis-module-removed-pep-594",
  "query_alias_url": "https://gitdocs.org/q/python-3-13-nis-module-removed-pep-594",
  "markdown_url": "https://gitdocs.org/fix/python-3-13-nis-module-removed-pep-594.md",
  "json_url": "https://gitdocs.org/api/fixes/python-3-13-nis-module-removed-pep-594.json",
  "canonical_query": "Python 3.13 nis module removed PEP 594",
  "observed_codex_queries": [
    "Python 3.13 nis module removed PEP 594",
    "site:docs.python.org 3.13 nis removed"
  ],
  "organic_dependency_search_count": 2,
  "affected_versions": "",
  "exact_errors": [],
  "diagnosis": "The import is locally valid for older runtimes and may have no project dependency declaration; only the target runtime's current stdlib contents resolve it.",
  "before": "",
  "after": "",
  "verification": "Verifier checks the maintained replacement package/API and behavior, including edge cases. Verify functional parity on representative inputs, not only a replacement import.",
  "unsafe_fixes": [
    "Changing local code without checking the current external contract.",
    "Retrying the same install, build, or API call with no version/source change.",
    "Applying a broad unsafe bypass when a narrow compatibility fix is available."
  ],
  "last_verified_at": "2026-06-25",
  "neutral_validation": {
    "organic_search_observed": true,
    "organic_strict_pass": true,
    "no_web_counterfactual_run": false,
    "no_web_strict_pass": null,
    "search_necessity_under_fixture": null,
    "no_web_oracle_note": "Observed query evidence is separated from necessity proof; no-web and stale-contract counterfactuals should be tracked separately."
  },
  "source_trail": [
    {
      "url": "https://docs.python.org/3/whatsnew/3.13.html",
      "label": "What's New in Python 3.13"
    }
  ],
  "source_github_links": []
}