class_docstr: Module register
class_docstr_tok: ["Module","register"]
code: def __getitem__(self, key):
      try:
          return self._dict[key]
      except Exception as e:
          logging.error(f"module {key} not found: {e}")
          raise e
  
file_path: delta/delta/utils/register.py
imports: import importlib
  import os
  import sys
  from absl import logging
label_desc: Use image node_id 4 for calling the Register obj's underlying member method code with example usage: obj.__getitem__(key) and returns: self