docstr: Turn on logging and add a handler which prints to stderr
docstr_tok: ["Turn","on","logging","and","add","a","handler","which","prints","to","stderr"]
code: def log_to_stderr(self, level=None):
      """Turn on logging and add a handler which prints to stderr"""
      from .util import log_to_stderr
  
      return log_to_stderr(level)
  
imports: import os
  import sys
  import threading
  from .None import process
  from .None import reduction
label_desc: Use image node_id 21 for calling the BaseContext obj's underlying member method code with example usage: obj.log_to_stderr(level) and returns: log_to_stderr