class_docstr: Used to check unpickling compat with old implementation.
class_docstr_tok: ["Used","to","check","unpickling","compat","with","old","implementation","."]
docstr: dict: Get the (empty) state.
docstr_tok: ["dict",":","Get","the","(","empty",")","state","."]
code: def state(self):
      """dict: Get the (empty) state."""
      return dict()
  
imports: import pickle
  import numpy
  import pytest
  import torch
  from garage.torch.optimizers.conjugate_gradient_optimizer import ConjugateGradientOptimizer
  from garage.torch.optimizers.conjugate_gradient_optimizer import _build_hessian_vector_product
  from garage.torch.optimizers.conjugate_gradient_optimizer import _conjugate_gradient
label_desc: Use image node_id 1 for calling the BrokenPicklingConjugateGradientOptimizer obj's underlying member method code with example usage: obj.state() and returns: dict