code: def flops(self, x):
      return self._flops
  
imports: import unittest
  import torch
  import torch.nn
  from classy_vision.generic.profiler import compute_activations, compute_flops, count_params, get_shape
  from classy_vision.models import build_model
  from test.generic.config_utils import get_test_model_configs
label_desc: Use image node_id 3 for calling the TestModuleWithFlops obj's underlying member method code with example usage: obj.flops(x) and returns: self