code: def test_show_cluster_time(self):
      np.random.seed(0)
      clf = KMeans()
      plot_elbow_curve(clf, self.X, show_cluster_time=False)
  
file_path: scikit-plot/scikitplot/tests/test_cluster.py
imports: from __future__ import absolute_import
  import unittest
  import numpy
  from sklearn.datasets import load_iris
  from sklearn.cluster import KMeans
  import matplotlib.pyplot
  from scikitplot.cluster import plot_elbow_curve
label_desc: Use image node_id 7 for calling the TestPlotElbow obj's underlying member method code with example usage: obj.test_show_cluster_time() without return types