class_docstr: Backoff interface
class_docstr_tok: ["Backoff","interface"]
docstr: Compute backoff in seconds upon failure
docstr_tok: ["Compute","backoff","in","seconds","upon","failure"]
code: def compute(self, failures):
      """Compute backoff in seconds upon failure"""
      pass
  
imports: import random
  from abc import ABC, abstractmethod
label_desc: Use image node_id 2 for calling the AbstractBackoff obj's underlying member method code with example usage: obj.compute(failures) without return types