Index: sphinx_rtd_theme-0.5.2/tests/test_builders.py
===================================================================
--- sphinx_rtd_theme-0.5.2.orig/tests/test_builders.py
+++ sphinx_rtd_theme-0.5.2/tests/test_builders.py
@@ -3,7 +3,11 @@ import os
 import pytest
 import sphinx
 from sphinx import addnodes
-from sphinx.builders.html import SingleFileHTMLBuilder, DirectoryHTMLBuilder
+try:
+    from sphinx.builders.html import SingleFileHTMLBuilder, DirectoryHTMLBuilder
+except ImportError:
+    from sphinx.builders.singlehtml import SingleFileHTMLBuilder
+    from sphinx.builders.dirhtml import DirectoryHTMLBuilder
 
 from .util import build_all