1 files changed, 5 insertions, 3 deletions
diff --git a/doc/development/tutorials/examples/helloworld.py b/doc/development/tutorials/examples/helloworld.py
index d6d81fd..da29562 100644
--- a/doc/development/tutorials/examples/helloworld.py
+++ b/doc/development/tutorials/examples/helloworld.py
@@ -1,16 +1,18 @@
 from docutils import nodes
 from docutils.parsers.rst import Directive
 
+from sphinx.application import Sphinx
+from sphinx.util.typing import ExtensionMetadata
 
-class HelloWorld(Directive):
 
+class HelloWorld(Directive):
     def run(self):
         paragraph_node = nodes.paragraph(text='Hello World!')
         return [paragraph_node]
 
 
-def setup(app):
-    app.add_directive("helloworld", HelloWorld)
+def setup(app: Sphinx) -> ExtensionMetadata:
+    app.add_directive('helloworld', HelloWorld)
 
     return {
         'version': '0.1',