{
  "approach": "Modify the sampling loop inside _sample_simple(pseudocode) so that an attempted new edge (u,v) is accepted only if no entry in edge_index has row==u and col==v; otherwise discard it and try again.",
  "files_to_edit": [
    "torch_geometric/utils/augmentation.py"
  ],
  "finish_reason": "stop",
  "hypothesis": "The function add_random_edge must be updated to reject sampled random edges when they correspond exactly to any currently existing directed edge.",
  "retries": {},
  "usage": {
    "completion": 101,
    "prompt": 7102,
    "reasoning": 0
  }
}