code: def validator_aok():
      return NumberValidator(
          "prop", "parent", min=-1, max=1.5, array_ok=True
      )
  
imports: import pytest
  from pytest import approx
  from _plotly_utils.basevalidators import NumberValidator
  import numpy
  import pandas
label_desc: Use image node_id 5 for calling a global function with example usage: validator_aok() and returns: NumberValidator