doc: add sphinx_rtd_theme extension
Newer versions of sphinx_rtd_theme require to add sphinx_rtd_theme to the
list of extensions. Cf.
https://github.com/readthedocs/readthedocs.org/pull/9654
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/doc/conf.py b/doc/conf.py
index 5e2ff1c..c9138a5 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -228,7 +228,7 @@
try:
import sphinx_rtd_theme
html_theme = 'sphinx_rtd_theme'
- html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+ extensions.append('sphinx_rtd_theme')
except ImportError:
sys.stderr.write('Warning: The Sphinx \'sphinx_rtd_theme\' HTML theme was not found. Make sure you have the theme installed to produce pretty HTML output. Falling back to the default theme.\n')