new_contents: # coding=utf-8
  """
  Test the build of the sphinx documentation
  
  Released under MIT license, see LICENSE file
  """
  import os
  
  import pytest
  
  from sphinx.application import Sphinx
  
  DOCS_SRCDIR = 'docs'
  DOCS_BUILDDIR = os.path.join('docs', '_build')
  DOCS_TREEDIR = os.path.join(DOCS_BUILDDIR, 'doctrees')
  
  def test_html_documentation():
      # if you want really strict checking, set warningiserror=True
      docs = Sphinx(DOCS_SRCDIR,
                    DOCS_SRCDIR,
                    DOCS_BUILDDIR,
                    DOCS_TREEDIR,
                    buildername='html',
                    warningiserror=False,
      )
      # this throws exceptions for errors, which pytest then
      # treats as a failure
      docs.build(force_all=True)
  
subject: Add test for sphinx doc build fix #479