python3 : module 'networkx' has no attribute 'connected_component_subgraphs' on linkfail

Traceback (most recent call last):
  File "/home/runarb/devel/PyMetric-scm/metrics.py", line 45, in <module>
    cli.cmdloop()
  File "/home/runarb/devel/PyMetric-scm/command.py", line 65, in cmdloop
    Cmd.cmdloop(self)
  File "/usr/lib/python3.6/cmd.py", line 139, in cmdloop
    stop = self.postcmd(stop, line)
  File "/home/runarb/devel/PyMetric-scm/command.py", line 88, in postcmd
    components = list(nx.connected_component_subgraphs(
AttributeError: module 'networkx' has no attribute 'connected_component_subgraphs'```

on  networkx-2.4