code: def docs(session):
      
  
      session.install('sphinx', 'sphinx_rtd_theme')
      session.install('.')
  
      # Build the docs!
      session.run('rm', '-rf', 'docs/_build/')
      session.run('sphinx-build', '-W', '-b', 'html', '-d',
                  'docs/_build/doctrees', 'docs/', 'docs/_build/html/')
docs: Build the docs.