docstr: Operand before execute.
  
  Parameters
  ----------
  ctx : dict
      Data store
  op : OperandType
      Operand to execute.
docstr_tok: ["Operand","before","execute",".","Parameters","--","--","--","--","--","ctx",":","dict","Data","store","op",":","OperandType","Operand","to","execute","."]
code: def post_execute(cls, ctx: Union[dict, Context], op: OperandType):
      """
      Operand before execute.
  
      Parameters
      ----------
      ctx : dict
          Data store
      op : OperandType
          Operand to execute.
      """
  
imports: import sys
  from typing import Any, Callable, Dict, List, Tuple, Type, Union
  import numpy
  from ...metrics import Metrics
  from ...typing import TileableType, ChunkType, OperandType
  from ...utils import calc_data_size
  from ..context import Context
  from ..mode import is_eager_mode
  from ..entity import OutputType, ExecutableTuple, get_chunk_types, get_tileable_types, get_output_types, get_fetch_class
label_desc: Use image node_id 18 for calling the TileableOperandMixin obj's underlying member method code with example usage: obj.post_execute(cls, ctx, op) without return types