code: def _get_thread_id():
      """Get id of current thread, suitable for logging as an unsigned quantity."""
      # pylint: disable=protected-access
      thread_id = six.moves._thread.get_ident()
      # pylint:enable=protected-access
      return thread_id & _THREAD_ID_MASK
  
imports: import logging
  import os
  import sys
  import threading
  import time
  from logging import DEBUG, ERROR, FATAL, INFO, WARN
  import six
  from tensorlayer.decorators import deprecated
label_desc: Use image node_id 20 for calling a global function with example usage: _get_thread_id() and returns: unknown