update conf.py

doc/conf.py

@@ -119,7 +119,7 @@ html_theme = 'scikit-learn'
 # 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
 # documentation.
-#html_theme_options = {}
+html_theme_options = {'oldversion':True}
 
 # Add any paths that contain custom themes here, relative to this directory.
 html_theme_path = ['themes']

doc/themes/scikit-learn/theme.conf

@@ -4,4 +4,4 @@ stylesheet = nature.css
 pygments_style = tango
 
 [options]
-oldversion = True
\ No newline at end of file
+oldversion = False
\ No newline at end of file