code: def test_fx_script_PositionWeightedProcessor(self) -> None:
      features_max_length = {"f1": 10, "f2": 3}
      pw = PositionWeightedProcessor(features_max_length)
  
      gm = torch.fx.GraphModule(pw, Tracer().trace(pw))
      torch.jit.script(gm)
  
file_path: torchrec/torchrec/modules/tests/test_feature_processor.py
imports: import unittest
  import torch
  from torchrec.fx import Tracer
  from torchrec.modules.feature_processor import PositionWeightedModule, PositionWeightedProcessor
  from torchrec.sparse.jagged_tensor import KeyedJaggedTensor
label_desc: Use image node_id 4 for calling the PositionWeightedModuleTest obj's underlying member method code with example usage: obj.test_fx_script_PositionWeightedProcessor() without return types