diff --git a/src/crowsetta/formats/seq/simple.py b/src/crowsetta/formats/seq/simple.py
index 69f8ac1..c45a3ed 100644
--- a/src/crowsetta/formats/seq/simple.py
+++ b/src/crowsetta/formats/seq/simple.py
@@ -30,9 +30,7 @@
 from crowsetta.typing import PathLike
 
 
-class SimpleSeqSchema(pandera.DataFrameModel
-
-):
+class SimpleSeqSchema(pandera.DataFrameModel):
     """A :class:`pandera.DataFrameModel
 
 `