Documentation configuration file update.

docs/conf.py

@@ -40,7 +40,8 @@
     'sphinx.ext.mathjax',
     'sphinx.ext.viewcode',
     'sphinx.ext.intersphinx',
-    'nbsphinx']
+    'nbsphinx'
+]
 
 intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}
 
@@ -116,12 +117,13 @@
 # html_theme = 'default'
 
 # on_rtd is whether we are on readthedocs.org, this line of code grabbed from docs.readthedocs.org
+# otherwise, readthedocs.org uses their theme by default, so no need to specify it
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
 if not on_rtd:  # only import and set the theme if we're building docs locally
     import sphinx_rtd_theme
     html_theme = 'sphinx_rtd_theme'
     html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
-# otherwise, readthedocs.org uses their theme by default, so no need to specify it
+
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the