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