code: def __str__(self):
      return "env:{}".format(super(EnvEntry, self).__str__())
  
file_path: clearml/clearml/backend_config/environment.py
imports: from os import getenv, environ
  from .converters import text_to_bool
  from .entry import Entry, NotSet
label_desc: Use image node_id 6 for calling the EnvEntry obj's underlying member method code with example usage: obj.__str__() and returns: str