code: def shape(self):
      return self.base_brownian.shape
  
imports: import torch
  from .None import brownian_base
  from .None import brownian_interval
  from ..types import Optional, Scalar, Tensor, Tuple, Union
label_desc: Use image node_id 6 for calling the ReverseBrownian obj's underlying member method code with example usage: obj.shape() and returns: self