code: def empty(self):
      return not (
          self.added_files
          or self.removed_files
          or self.modified_files
          or self.touched_files
      )
  
imports: import os
  import os.path
  import stat
  import sys
label_desc: Use image node_id 5 for calling the TreeDifference obj's underlying member method code with example usage: obj.empty() and returns: unknown