{
  "id": "cb-07",
  "name": "log_buckets",
  "passed": false,
  "grade_detail": "Traceback (most recent call last):\n  File \"C:\\Users\\mechr\\AppData\\Local\\Temp\\tmpd0rjaqdu.py\", line 4, in <module>\n    assert count_per_hour(['2026-08-27T03:10:00 ERROR disk full', '2026-08-27T03:55:59 INFO ok', '2026-08-27T03:59:00 ERROR again']) == {'2026-08-27T03': 2}\n           ^^^^^^^^^^^^^^\nNameError: name 'count_per_hour' is not defined\n",
  "wall_s": 366.5,
  "usage": {
    "completion_tokens": 8192,
    "prompt_tokens": 95,
    "total_tokens": 8287,
    "completion_tokens_details": null,
    "prompt_tokens_details": null
  },
  "answer": "",
  "finish_reason": "length"
}