code: def test_placeholder_for_array(extension: str, expected: str) -> None:
      text = "NG_ARG{bidule}"
      output = Placeholder.sub(
          text, extension, {"bidule": np.array([[1, 2], [3, 4]])}
      )
      np.testing.assert_equal(output, expected)
  
file_path: nevergrad/nevergrad/parametrization/test_instantiate.py
imports: import sys
  import tempfile
  import typing
  from pathlib import Path
  import numpy
  from nevergrad.common import testing
  from .None import instantiate
  from .instantiate import LINETOKEN
  from .instantiate import Placeholder
label_desc: Use image node_id 7 for calling a global function with example usage: test_placeholder_for_array(extension, expected) without return types