code: def test_plot_data_is_list():
      geo = plot.plot(data, show=False)
      assert type(geo.data) is list
  
imports: import pytest
  import numpy
  import matplotlib
  import matplotlib.pyplot
  from hypertools.plot import plot
  from hypertools.tools.reduce import reduce
  from hypertools.tools.load import load
  from hypertools.datageometry import DataGeometry
label_desc: Use image node_id 15 for calling a global function with example usage: test_plot_data_is_list() without return types