diff --git a/src/summarizedexperiment/types.py b/src/summarizedexperiment/types.py
index 67a39c6..454fb14 100644
--- a/src/summarizedexperiment/types.py
+++ b/src/summarizedexperiment/types.py
@@ -16,4 +16,4 @@
 
 SliceResult = namedtuple(
     "SlicerResult", ["rows", "columns", "assays", "row_indices", "col_indices"]
-)
\ No newline at end of file
+)