code: def _execute_iloc(*_):  # pragma: no cover
      raise ValueError("cannot run iloc")
  
file_path: mars/mars/optimization/logical/tileable/tests/test_head.py
imports: import os
  import tempfile
  import pandas
  import numpy
  import pytest
  from .....None import dataframe
  from .....core import TileableGraph, TileableGraphBuilder, enter_mode
  from .....dataframe.indexing.iloc import DataFrameIlocGetItem, SeriesIlocGetItem
  from ..None import optimize
label_desc: Use image node_id 2 for calling a global function with example usage: _execute_iloc() without return types