old_contents: import networkx as nx
  from ClusterUtility import ClusterUtility
  
  
  class ConnectedComponents:
      """This is a class for connected component detection method to cluster event logs [1]_.
  
      References
      ----------
      .. [1] H. Studiawan, B. A. Pratomo, and R. Anggoro, Connected component detection for authentication log
             clustering, The 2nd International Seminar on Science and Technology, 2016, pp. 495-496.
      """
      def __init__(self, graph):
          """This is a constructor for ConnectedComponent class.
  
          Parameters
          ----------
          graph : graph
              A graph to be clustered.
          """
          self.graph = graph
  
      def get_clusters(self):
          """This method find any connected component in a graph.
  
          A component represents a cluster and each component will be given a cluster identifier.
          This method heavily rely on the cosine similarity threshold to build an edge in a graph.
  
          Returns
          -------
          clusters : dict[list]
              Dictionary of cluster list, where each list contains index (line number) of event log.
          """
          clusters = {}
          cluster_id = 0
          for components in nx.connected_components(self.graph):
              clusters[cluster_id] = components
              cluster_id += 1
  
          ClusterUtility.set_cluster_id(self.graph, clusters)
  
          return clusters
  
new_contents: import networkx as nx
  from ClusterUtility import ClusterUtility
  
  
  class ConnectedComponents:
      """This is a class for connected component detection method to cluster event logs [Studiawan2016a]_.
  
      References
      ----------
      .. [Studiawan2016a] H. Studiawan, B. A. Pratomo, and R. Anggoro, Connected component detection for authentication log
                          clustering, The 2nd International Seminar on Science and Technology, 2016, pp. 495-496.
      """
      def __init__(self, graph):
          """This is a constructor for ConnectedComponent class.
  
          Parameters
          ----------
          graph : graph
              A graph to be clustered.
          """
          self.graph = graph
  
      def get_clusters(self):
          """This method find any connected component in a graph.
  
          A component represents a cluster and each component will be given a cluster identifier.
          This method heavily rely on the cosine similarity threshold to build an edge in a graph.
  
          Returns
          -------
          clusters : dict[list]
              Dictionary of cluster list, where each list contains index (line number) of event log.
          """
          clusters = {}
          cluster_id = 0
          for components in nx.connected_components(self.graph):
              clusters[cluster_id] = components
              cluster_id += 1
  
          ClusterUtility.set_cluster_id(self.graph, clusters)
  
          return clusters
  
subject: Fix bug in docstring references Studiawan2016a