code: def test_update_np_date(self):
      tbl = Table({"a": [date(2019, 7, 11)]})
  
      assert tbl.schema() == {"a": date}
  
      tbl.update({"a": np.array([date(2019, 7, 12)])})
  
      assert tbl.view().to_dict() == {
          "a": [datetime(2019, 7, 11), datetime(2019, 7, 12)]
      }
  
imports: import numpy
  from datetime import date, datetime
  from pytest import mark
  from perspective.table import Table
label_desc: Use image node_id 4 for calling the TestUpdateNumpy obj's underlying member method code with example usage: obj.test_update_np_date() without return types