old_contents: import pathlib
  
  import exdown
  import matplotlib as mpl
  import matplotlib.pyplot as plt
  import pytest
  
  this_dir = pathlib.Path(__file__).resolve().parent
  
  
  @pytest.mark.parametrize(
      "string,lineno",
      exdown.extract(this_dir.parent / "README.md", syntax_filter="python"),
  )
  def test_readme(string, _):
      exec(string)
  
      # Close figure and reset defaults
      plt.close()
      mpl.rcParams.update(mpl.rcParamsDefault)
  
new_contents: import pathlib
  
  import exdown
  import matplotlib as mpl
  import matplotlib.pyplot as plt
  import pytest
  
  this_dir = pathlib.Path(__file__).resolve().parent
  
  
  @pytest.mark.parametrize(
      "string,lineno",
      exdown.extract(this_dir.parent / "README.md", syntax_filter="python"),
  )
  def test_readme(string, lineno):
      exec(string)
  
      # Close figure and reset defaults
      plt.close()
      mpl.rcParams.update(mpl.rcParamsDefault)
  
subject: test fix