old_contents: import os
  import re
  import shutil
  import shlex
  import pytest
  import jupytext
  from jupytext.cli import jupytext as jupytext_cli
  from .utils import list_notebooks
  
  doc_path = os.path.join(
      os.path.dirname(os.path.realpath(__file__)),
      '..', 'docs')
  
  
  @pytest.mark.skipif(not os.path.isdir(doc_path), reason='Documentation folder is missing')
  @pytest.mark.parametrize('nb_file', list_notebooks('ipynb_py')[-1:])
  def test_jupytext_commands_in_the_documentation_work(tmpdir, nb_file):
      # Read the documentation as a bash notebook
      using_cli = os.path.join(doc_path, 'using-cli.md')
      assert os.path.isfile(using_cli)
      using_cli_nb = jupytext.read(using_cli)
  
      # Run the commands in tmpdir on a sample notebook
      shutil.copy(nb_file, tmpdir.join('notebook.ipynb'))
      os.chdir(tmpdir)
  
      cmd_tested = 0
      for cell in using_cli_nb.cells:
          if cell.cell_type != 'code':
              continue
          if not cell.source.startswith('jupytext'):
              continue
          for cmd in cell.source.splitlines():
              if not cmd.startswith('jupytext'):
                  continue
              if 'read ipynb from stdin' in cmd:
                  continue
              if 'pytest {}' in cmd:
                  continue
              print('Testing: {}'.format(cmd))
              args = shlex.split(re.sub(r'#.*', '', cmd))[1:]
              assert not jupytext_cli(args), cmd
              cmd_tested += 1
  
      assert cmd_tested >= 10
  
new_contents: import os
  import re
  import shutil
  import shlex
  import pytest
  import jupytext
  from jupytext.cli import jupytext as jupytext_cli
  from .utils import list_notebooks
  
  doc_path = os.path.join(
      os.path.dirname(os.path.realpath(__file__)),
      '..', 'docs')
  
  
  @pytest.mark.skipif(not os.path.isdir(doc_path), reason='Documentation folder is missing')
  @pytest.mark.parametrize('nb_file', list_notebooks('ipynb_py')[-1:])
  def test_jupytext_commands_in_the_documentation_work(tmpdir, nb_file):
      # Read the documentation as a bash notebook
      using_cli = os.path.join(doc_path, 'using-cli.md')
      assert os.path.isfile(using_cli)
      using_cli_nb = jupytext.read(using_cli)
  
      # Run the commands in tmpdir on a sample notebook
      shutil.copy(nb_file, str(tmpdir.join('notebook.ipynb')))
      os.chdir(str(tmpdir))
  
      cmd_tested = 0
      for cell in using_cli_nb.cells:
          if cell.cell_type != 'code':
              continue
          if not cell.source.startswith('jupytext'):
              continue
          for cmd in cell.source.splitlines():
              if not cmd.startswith('jupytext'):
                  continue
              if 'read ipynb from stdin' in cmd:
                  continue
              if 'pytest {}' in cmd:
                  continue
              print('Testing: {}'.format(cmd))
              args = shlex.split(re.sub(r'#.*', '', cmd))[1:]
              assert not jupytext_cli(args), cmd
              cmd_tested += 1
  
      assert cmd_tested >= 10
  
subject: Fix tests on Python 3.5