update docs theme

docs/source/conf.py

@@ -12,10 +12,16 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
-# import os
-# import sys
+ import os
+ import sys
+ import shlex
 # sys.path.insert(0, os.path.abspath('.'))
 
+ import sphinx_rtd_theme
+
+ html_theme = "sphinx_rtd_theme"
+ html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+
 
 # -- Project information -----------------------------------------------------
 
@@ -170,4 +176,4 @@ epub_title = project
 # epub_uid = ''
 
 # A list of files that should not be packed into the epub file.
-epub_exclude_files = ['search.html']
+epub_exclude_files = ['search.html']