code: def forward_i(self, i, *args, **kwargs):
      return self.models[i].forward(*args, **kwargs)
  
imports: from abc import ABC
  import torch
  from torch.nn import ModuleList
  from gpytorch.likelihoods import LikelihoodList
  from gpytorch.models import GP
  from gpytorch.utils.generic import length_safe_zip
label_desc: Use image node_id 2 for calling the IndependentModelList obj's underlying member method code with example usage: obj.forward_i(i) and returns: self