code: def close(self):
      if not self.closed:
          try:
              self.skip()
          finally:
              self.closed = True
  
file_path: catboost/contrib/tools/python3/src/Lib/chunk.py
imports: import warnings
label_desc: Use image node_id 4 for calling the Chunk obj's underlying member method code with example usage: obj.close() without return types