code: def copy(self):
      return OUVESDE(
          self.theta, self.sigma_min, self.sigma_max, N=self.N
      )
  
imports: import abc
  import warnings
  import numpy
  import torch
label_desc: Use image node_id 2 for calling the OUVESDE obj's underlying member method code with example usage: obj.copy() and returns: OUVESDE