class_docstr: A log span context manager that does nothing
class_docstr_tok: ["A","log","span","context","manager","that","does","nothing"]
code: def __enter__(self):
      pass
  
file_path: ray/python/ray/_private/profiling.py
imports: import os
  import json
  from collections import defaultdict
  from dataclasses import dataclass, asdict
  from typing import List, Dict, Union
  import ray
label_desc: Use image node_id 1 for calling the _NullLogSpan obj's underlying member method code with example usage: obj.__enter__() without return types