{
  "approach": "Modify the condition that detects NOT NULL to also permit CREATE INDEX statements, matching the suggestion in the issue.",
  "files_to_edit": [
    "django_migration_linter/sql_analyser/base.py"
  ],
  "finish_reason": "stop",
  "hypothesis": "The NOT_NULL rule triggers on CREATE INDEX ... WHERE clauses containing IS NOT NULL. The fix requires adding `not sql.startswith(\"CREATE INDEX\")` to the condition in `django_migration_linter/sql_analyser/base.py` line 43.",
  "retries": {},
  "usage": {
    "completion": 106,
    "prompt": 5813,
    "reasoning": 0
  }
}