diff --git a/examples/tutorial/tutorial/resources.py b/examples/tutorial/tutorial/resources.py
index 20b86d84cef4e..0459ad8a62c53 100644
--- a/examples/tutorial/tutorial/resources.py
+++ b/examples/tutorial/tutorial/resources.py
@@ -104,7 +104,7 @@ def get_signups_for_date(self, date: datetime) -> Sequence[Signup]:
         return sorted(signups, key=lambda x: x["registered_at"])
 
     def get_signups_for_dates(
-            self, start_date: datetime, end_date: Union[datetime, None] = None
+        self, start_date: datetime, end_date: Union[datetime, None] = None
     ) -> Sequence[Signup]:
         signups = []