docs: def md_to_notebook(text):
      """Convert a Markdown text to a Jupyter notebook, using Pandoc"""
      tmp_file = tempfile.NamedTemporaryFile(delete=False)
      tmp_file.write(text.encode('utf-8'))
      tmp_file.close()
  
      pandoc(u'--from markdown --to ipynb -s --atx-headers --wrap=preserve --preserve-tabs', tmp_file.name, tmp_file.name)
  
      with open(tmp_file.name, encoding='utf-8') as opened_file:
          notebook = ipynb_reads(opened_file.read(), as_version=4)
      os.unlink(tmp_file.name)
  
      return notebook