code: def sample(self, n):
      return torch.randn(n, 2)
  
imports: from operator import attrgetter
  import pytest
  import torch
  import torch_fidelity
  from torch import nn
  from torch_fidelity.sample_similarity_lpips import SampleSimilarityLPIPS
  from torch_fidelity.utils import batch_interp
  from torchmetrics.functional.image.lpips import _LPIPS
  from torchmetrics.functional.image.perceptual_path_length import _interpolate, perceptual_path_length
  from torchmetrics.image.perceptual_path_length import PerceptualPathLength
  from torchmetrics.utilities.imports import _TORCH_FIDELITY_AVAILABLE
  from unittests import skip_on_running_out_of_memory
  from unittests.helpers import seed_all
label_desc: Use image node_id 1 for calling the _WrongGenerator4 obj's underlying member method code with example usage: obj.sample(n) and returns: torch