class_docstr: Exponential backoff upon failure
class_docstr_tok: ["Exponential","backoff","upon","failure"]
code: def compute(self, failures):
      return min(self._cap, self._base * 2**failures)
  
imports: import random
  from abc import ABC, abstractmethod
label_desc: Use image node_id 2 for calling the ExponentialBackoff obj's underlying member method code with example usage: obj.compute(failures) and returns: min