{
  "id": "python/pydantic-email-str-deprecated",
  "signature": "pydantic.errors.PydanticUserError: `EmailStr` requires the `email-validator` package. Install it with `pip install pydantic[email]`.",
  "signature_zh": "pydantic.errors.PydanticUserError：`EmailStr` 需要 `email-validator` 包。请使用 `pip install pydantic[email]` 安装。",
  "regex": "pydantic\\.errors\\.PydanticUserError:\\ `EmailStr`\\ requires\\ the\\ `email\\-validator`\\ package\\.\\ Install\\ it\\ with\\ `pip\\ install\\ pydantic\\[email\\]`\\.",
  "domain": "python",
  "category": "install_error",
  "subcategory": null,
  "root_cause": "EmailStr is used but the optional email-validator dependency is not installed.",
  "root_cause_type": "generic",
  "root_cause_zh": "使用了 EmailStr，但未安装可选的 email-validator 依赖。",
  "versions": [
    {
      "version": "2.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Wrong package; 'email' is a stdlib module, not a PyPI validator.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Loses email format validation; invalid addresses pass through.",
      "fail_rate": 0.55,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Import still fails until the interpreter restarts.",
      "fail_rate": 0.4,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.98,
      "how": "pip install 'pydantic[email]'",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.97,
      "how": "pip install email-validator\n# then\nfrom pydantic import BaseModel, EmailStr\nclass U(BaseModel):\n    email: EmailStr",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": null,
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.9,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-01-18",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}