code: def missing_metadata():
      return [
          {
              "name": "Alice",
              "addresses": [
                  {
                      "number": 9562,
                      "street": "Morris St.",
                      "city": "Massillon",
                      "state": "OH",
                      "zip": 44646,
                  }
              ],
              "previous_residences": {
                  "cities": [{"city_name": "Foo York City"}]
              },
          },
          {
              "addresses": [
                  {
                      "number": 8449,
                      "street": "Spring St.",
                      "city": "Elizabethton",
                      "state": "TN",
                      "zip": 37643,
                  }
              ],
              "previous_residences": {
                  "cities": [{"city_name": "Barmingham"}]
              },
          },
      ]
  
imports: import json
  import numpy
  import pytest
  from pandas import DataFrame, Index, Series, json_normalize
  import pandas._testing
  from pandas.io.json._normalize import nested_to_record
label_desc: Use image node_id 3 for calling a global function with example usage: missing_metadata() and returns: list