{
  "approach": "Replace direct call to `get_cpds(node)` inside `check_model` with a manual search through `self.cpds` returning None when absent.",
  "files_to_edit": [
    "pgmpy/models/BayesianModel.py"
  ],
  "finish_reason": "stop",
  "hypothesis": "The `check_model` method should use a safe lookup such as checking membership via iteration instead of calling `get_cpds`, because the latter throws a `ValueError` for missing CPDs.",
  "retries": {},
  "usage": {
    "completion": 102,
    "prompt": 12431,
    "reasoning": 0
  }
}