code: def validator_number_free_1d():
      return InfoArrayValidator(
          "prop",
          "parent",
          items={"valType": "number", "min": 0, "max": 1},
          free_length=True,
          dimensions=1,
      )
  
imports: import pytest
  from _plotly_utils.basevalidators import InfoArrayValidator, type_str
  import numpy
label_desc: Use image node_id 7 for calling a global function with example usage: validator_number_free_1d() and returns: InfoArrayValidator