old_contents: 
  
  def debug_message(message):
      """
      Prints a debug message to the Sublime console
      """
      from php_coverage.config import config
      if config.is_loaded() and config.debug:
          print("[PHPCoverage] " + str(message))
  
new_contents: import threading
  
  
  def debug_message(message):
      """
      Prints a debug message to the Sublime console
      """
      from php_coverage.config import config
      if config.loaded and config.debug:
          thread = threading.current_thread().name
          print("[PHPCoverage] [%s] %s" % (str(thread), str(message)))
  
subject: Add thread name to debug_message() logs