diff --git a/src/fiber_package/signup/answer/types.py b/src/fiber_package/signup/answer/types.py
index 92c17e8..51749a6 100644
--- a/src/fiber_package/signup/answer/types.py
+++ b/src/fiber_package/signup/answer/types.py
@@ -6,6 +6,6 @@ from .answer_open_questions import AnswerOpenQuestions
 from .answer_checkmarks import AnswerCheckmarks
 
 AnswerUnion = Annotated[
-    AnswerOpenQuestions, AnswerCheckmarks
+    AnswerOpenQuestions, AnswerCheckmarks,
     Field(discriminator="category")
 ]