{
  "id": "python/flask-jsonify-mimetype",
  "signature": "TypeError: 'Response' object is not callable",
  "signature_zh": "类型错误：'Response' 对象不可调用",
  "regex": "TypeError:\\ 'Response'\\ object\\ is\\ not\\ callable",
  "domain": "python",
  "category": "type_error",
  "subcategory": null,
  "root_cause": "Misuse of jsonify or returning a response object incorrectly, often due to missing parentheses or using the wrong import.",
  "root_cause_type": "generic",
  "root_cause_zh": "误用 jsonify 或错误地返回响应对象，通常是由于缺少括号或使用了错误的导入。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Returning jsonify without parentheses",
      "why_fails": "jsonify is a function that must be called.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "Importing jsonify from the wrong module",
      "why_fails": "Should be from flask import jsonify.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Use jsonify correctly with parentheses",
      "success_rate": 1.0,
      "how": "from flask import jsonify\nreturn jsonify({'key': 'value'})",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use a dictionary directly with Flask's response",
      "success_rate": 0.95,
      "how": "return {'key': 'value'}  # Flask auto-converts dicts to JSON",
      "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": 0.85,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2025-02-20",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}