docstr: feature module name accessor
docstr_tok: ["feature","module","name","accessor"]
code: def module_name(self, idx=None):
      """feature module name accessor"""
      return self.get("module", idx)
  
imports: from collections import OrderedDict, defaultdict
  from copy import deepcopy
  from functools import partial
  from typing import Dict, List, Tuple
  import torch
  import torch.nn
label_desc: Use image node_id 7 for calling the FeatureInfo obj's underlying member method code with example usage: obj.module_name(idx) and returns: self