Use sphinx_rtd_theme for a better html documentation

docs/conf.py

@@ -72,9 +72,9 @@ author = 'caner & inso'
 # built documents.
 #
 # The short X.Y version.
-version = '0.30.5'
+version = '0.51.0'
 # The full version, including alpha/beta/rc tags.
-release = '0.30.5'
+release = '0.51.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -126,6 +126,7 @@ todo_include_todos = True
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #html_theme = 'alabaster'
+html_theme = 'sphinx_rtd_theme'
 
 # 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

requirements_dev.txt

-sphinx
 mypy
+sphinx
+sphinx_rtd_theme