change theme

docs/conf.py

@@ -53,7 +53,7 @@ def _git_version():
 # 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.autodoc', 'sphinx.ext.doctest', 'sphinx.ext.imgmath', 'sphinxarg.ext',]
+extensions = ['sphinx.ext.autodoc', 'sphinx.ext.doctest', 'sphinx.ext.imgmath', 'sphinxarg.ext', 'sphinx_rtd_theme']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -122,7 +122,7 @@ def _git_version():
 # a list of builtin themes.
 on_rtd = os.environ.get('READTHEDOCS') == 'True'
 if on_rtd:
-    html_theme = 'default'
+    html_theme = 'sphinx_rtd_theme'
 else:
     import sphinx_rtd_theme
     html_theme = "sphinx_rtd_theme"