{
  "id": "python/pip-requirement-already-satisfied-conflict",
  "signature": "ERROR: Cannot install package==1.0 and package==2.0 because these package versions have conflicting dependencies.",
  "signature_zh": "错误：无法安装 package==1.0 和 package==2.0，因为这些包版本存在冲突的依赖关系。",
  "regex": "ERROR:\\ Cannot\\ install\\ package==1\\.0\\ and\\ package==2\\.0\\ because\\ these\\ package\\ versions\\ have\\ conflicting\\ dependencies\\.",
  "domain": "python",
  "category": "install_error",
  "subcategory": null,
  "root_cause": "The user explicitly requested two mutually exclusive versions of the same package, or a dependency requires a version incompatible with the pinned one.",
  "root_cause_type": "generic",
  "root_cause_zh": "用户明确请求了同一包的两个互斥版本，或者某个依赖要求与固定版本不兼容的版本。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Does not resolve version conflict; the resolver still cannot satisfy both constraints.",
      "fail_rate": 0.95,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "pip will not install conflicting versions; the command exits with an error.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.85,
      "how": "pip install package==2.0  # then update other packages as needed",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.8,
      "how": "echo 'package==2.0' > constraints.txt; pip install -c constraints.txt other-package",
      "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": 0.87,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-10-01",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}