class_docstr: Scalar column
class_docstr_tok: ["Scalar","column"]
code: def put(self, data):
      if data is Empty():
          return
      self._data = data
  
imports: import threading
  import copy
  from enum import Enum, auto
  from typing import List, Tuple, Union, Dict, Optional
  from collections import deque, namedtuple
label_desc: Use image node_id 2 for calling the _ScalarColumn obj's underlying member method code with example usage: obj.put(data) without return types