IMLS sub-agency appears twice

[grugnog]

This looks like a data bug somewhere - the agency IMLS has 2 sub-agency with identical name and abbreviations. Curiously the award/transaction numbers differ however, so it seems like it does have 2 records somewhere.

curl -s 'https://api.usaspending.gov/api/v2/agency/474/sub_agency/' | jq
{
  "toptier_code": "474",
  "fiscal_year": 2023,
  "page_metadata": {
    "page": 1,
    "total": 2,
    "limit": 10,
    "next": null,
    "previous": null,
    "hasNext": false,
    "hasPrevious": false
  },
  "results": [
    {
      "abbreviation": "IMLS",
      "name": "Institute of Museum and Library Services",
      "total_obligations": 180330098.83,
      "transaction_count": 244,
      "new_award_count": 71,
      "children": [
        {
          "code": "539871",
          "name": "INSTITUTE OF MUSEUM  LIBRARY SVCS",
          "total_obligations": 180330098.83,
          "transaction_count": 244,
          "new_award_count": 71
        }
      ]
    },
    {
      "abbreviation": "IMLS",
      "name": "Institute of Museum and Library Services",
      "total_obligations": 1498565.18,
      "transaction_count": 24,
      "new_award_count": 8,
      "children": [
        {
          "code": "539871",
          "name": "INSTITUTE OF MUSEUM  LIBRARY SVCS",
          "total_obligations": 1498565.18,
          "transaction_count": 24,
          "new_award_count": 8
        }
      ]
    }
  ],
  "messages": []
}