code: def __enter__(self):
      self.start()
  
      return self
  
imports: import json
  import os
  import re
  import socket
  import time
  from typing import List, Tuple
  from nltk.internals import _java_options, config_java, find_jar_iter, java
  from nltk.parse.api import ParserI
  from nltk.parse.dependencygraph import DependencyGraph
  from nltk.tag.api import TaggerI
  from nltk.tokenize.api import TokenizerI
  from nltk.tree import Tree
label_desc: Use image node_id 4 for calling the CoreNLPServer obj's underlying member method code with example usage: obj.__enter__() and returns: self