code: def test_plot_cluster_str():
      # should return 10d data since ndims=10
      geo = plot.plot(weights, cluster="KMeans", show=False)
      assert isinstance(geo, DataGeometry)
  
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 11 for calling a global function with example usage: test_plot_cluster_str() without return types