code: def increment_and_possibly_fail(self):
      # Exit after every 10 tasks.
      if self.counter == 10:
          os._exit(0)
      self.counter += 1
      return self.counter
  
imports: import os
  import ray
label_desc: Use image node_id 2 for calling the Actor obj's underlying member method code with example usage: obj.increment_and_possibly_fail() and returns: self