code: def test_geo():
      geo = plot(np.random.rand(100, 10), show=False)
      assert isinstance(format_data(geo), list)
      assert isinstance(format_data(geo)[0], np.ndarray)
  
file_path: hypertools/tests/test_format_data.py
imports: import numpy
  import pandas
  from hypertools.tools import format_data
  from hypertools.plot.plot import plot
label_desc: Use image node_id 6 for calling a global function with example usage: test_geo() without return types