diff --git a/test/unit/test_blocks.py b/test/unit/test_blocks.py
index bcde461..d3f6501 100644
--- a/test/unit/test_blocks.py
+++ b/test/unit/test_blocks.py
@@ -199,9 +199,9 @@ def test_basic_rich_text_block() -> None:
                     RichText(
                         "Most hardest, most honest known artist",
                         italic=True,
-                    )
+                    ),
                 ]
             ),
             block_id="fake_block_id",
         )
-    )
\ No newline at end of file
+    )