code: def _test_scatterplot_interactive(backend):
      dataset = foz.load_zoo_dataset("quickstart")
  
      points = np.random.randn(len(dataset), 2)
  
      plot = fo.scatterplot(
          points=points,
          samples=dataset,
          labels="uniqueness",
          sizes=F("ground_truth.detections").length(),
          backend=backend,
      )
      plot.show()
  
      input("Press enter to continue...")
  
imports: import random
  import unittest
  import numpy
  import fiftyone
  import fiftyone.brain
  import fiftyone.zoo
  from fiftyone import ViewField
label_desc: Use image node_id 6 for calling a global function with example usage: _test_scatterplot_interactive(backend) without return types