code: def test_cluster_map_comparison_with_object():
      nb_clusters = 4
      cluster_map = ClusterMap()
      # clusters = []
      for i in range(nb_clusters):
          new_cluster = Cluster(indices=range(i))
          cluster_map.add_cluster(new_cluster)
          # clusters.append(new_cluster)
  
      # Comparison with another ClusterMap object
      other_cluster_map = copy.deepcopy(cluster_map)
      assert_equal(
          np.array(cluster_map, dtype=object),
          np.array(other_cluster_map, dtype=object),
      )
  
      other_cluster_map = copy.deepcopy(cluster_map)
      assert_false(cluster_map != other_cluster_map)
  
      other_cluster_map = copy.deepcopy(cluster_map)
      assert_raises(
          NotImplementedError, cluster_map.__le__, other_cluster_map
      )
  
      # Comparison with an object that is not a ClusterMap or int
      assert_raises(NotImplementedError, cluster_map.__le__, float(42))
  
imports: import copy
  import itertools
  import numpy
  from numpy.testing import assert_array_equal, assert_raises, assert_equal
  from dipy.segment.clustering import Cluster, ClusterCentroid
  from dipy.segment.clustering import ClusterMap, ClusterMapCentroid
  from dipy.segment.clustering import Clustering
  from dipy.testing import assert_true, assert_false, assert_arrays_equal
  from dipy.testing.decorators import set_random_number_generator
label_desc: Use image node_id 21 for calling a global function with example usage: test_cluster_map_comparison_with_object() without return types