Update conf.py

update sphinx_rtd_theme module paths

docs/source/conf.py

@@ -27,7 +27,7 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = ["sphinx.ext.autosectionlabel", "nbsphinx"]
+extensions = ["sphinx.ext.autosectionlabel", "nbsphinx", "sphinx_rtd_theme"]
 autosectionlabel_prefix_document = True
 nbsphinx_execute = "never"
 # Add any paths that contain templates here, relative to this directory.
@@ -42,8 +42,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-#
-import sphinx_rtd_theme, nbsphinx
+
 
 html_theme = "sphinx_rtd_theme"