code: def pop(self):
      for k in self.keys:
          environ.pop(k, None)
  
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 3 for calling the EnvEntry obj's underlying member method code with example usage: obj.pop() without return types