class_docstr: Mock Algorithm for use in tests.
class_docstr_tok: ["Mock","Algorithm","for","use","in","tests","."]
code: def setup(self, config):
      self.callbacks = self.config.callbacks_class()
  
      # Add needed properties.
      self.info = None
      self.restored = False
  
imports: import os
  import pickle
  import time
  import numpy
  from ray.tune import result
  from ray.rllib.algorithms.algorithm import Algorithm, AlgorithmConfig
  from ray.rllib.utils.annotations import override
label_desc: Use image node_id 3 for calling the _MockTrainer obj's underlying member method code with example usage: obj.setup(config) without return types