docs: def readme():
      """Try converting the README to an RST document. Return it as is on failure."""
      try:
          import pypandoc
          readme_content = pypandoc.convert('README.md', 'rst')
      except(IOError, ImportError):
          print("Warning: no pypandoc module found.")
          try:
              readme_content = open('README.md').read()
          except IOError:
              readme_content = ''
      return readme_content