{
  "id": "python/starlette-uvloop-importerror",
  "signature": "ImportError: cannot import name 'uvloop' from partially initialized module 'uvloop' (most likely due to a circular import)",
  "signature_zh": "ImportError: 无法从部分初始化的模块 'uvloop' 导入名称 'uvloop'（很可能是循环导入）",
  "regex": "ImportError:\\ cannot\\ import\\ name\\ 'uvloop'\\ from\\ partially\\ initialized\\ module\\ 'uvloop'\\ \\(most\\ likely\\ due\\ to\\ a\\ circular\\ import\\)",
  "domain": "python",
  "category": "install_error",
  "subcategory": null,
  "root_cause": "uvloop is not installed or fails to build; uvicorn falls back and the import error surfaces.",
  "root_cause_type": "generic",
  "root_cause_zh": "uvloop 未安装或构建失败；uvicorn 回退时暴露出导入错误。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Does not fix the missing native dependency.",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Old wheels may not support the interpreter.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.93,
      "how": "pip install 'uvicorn[standard]'",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.9,
      "how": "uvicorn app:app --loop asyncio",
      "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": 0.82,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-08-22",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}