code: def test_markdown_image_is_not_magic():
      assert is_magic("# !cmd", "python")
      assert not is_magic("# ![Image name](image.png", "python")
  
imports: import pytest
  from nbformat.v4.nbbase import new_code_cell, new_notebook
  import jupytext
  from jupytext.compare import compare, compare_notebooks, notebook_model
  from jupytext.magics import _PYTHON_MAGIC_ASSIGN, comment_magic, is_magic, uncomment_magic, unesc
label_desc: Use image node_id 14 for calling a global function with example usage: test_markdown_image_is_not_magic() without return types