code: def color_validator(request):
      return ColorValidator(
          "prop", "parent", array_ok=True, colorscale_path=""
      )
  
imports: import pytest
  import numpy
  import pandas
  from datetime import datetime
  from _plotly_utils.basevalidators import NumberValidator, IntegerValidator, DataArrayValidator, ColorValidator
label_desc: Use image node_id 4 for calling a global function with example usage: color_validator(request) and returns: ColorValidator