code: def test_does_not_raise_on_blank_line_removed():
      ref = new_notebook(cells=[new_code_cell("1+1\n    ")])
      test = new_notebook(cells=[new_code_cell("1+1")])
      compare_notebooks(test, ref, "py:light")
  
imports: import pytest
  from nbformat.v4.nbbase import new_code_cell, new_markdown_cell, new_notebook, new_raw_cell
  from jupytext.compare import NotebookDifference, compare, compare_cells, compare_notebooks
  from jupytext.compare import test_round_trip_conversion
label_desc: Use image node_id 12 for calling a global function with example usage: test_does_not_raise_on_blank_line_removed() without return types