docs: Don't import sphinx_rtd_theme

docs/conf.py

@@ -21,7 +21,7 @@
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
 
-import sphinx_rtd_theme
+#import sphinx_rtd_theme
 
 # -- General configuration ------------------------------------------------
 
@@ -140,7 +140,7 @@
 
 # Add any paths that contain custom themes here, relative to this directory.
 # html_theme_path = []
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+# html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
 # The name for this set of Sphinx documents.
 # "<project> v<release> documentation" by default.