diff --git a/src/genomicranges/GenomicRangesList.py b/src/genomicranges/GenomicRangesList.py
index 324fc3d..ae5b0b7 100644
--- a/src/genomicranges/GenomicRangesList.py
+++ b/src/genomicranges/GenomicRangesList.py
@@ -904,6 +904,7 @@ def range(self) -> "GenomicRangesList":
         """
         return self.generic_accessor("range", func=True, cast=True)
 
+
 @ut.combine_sequences.register(GenomicRangesList)
 def _combine_grl(*x: GenomicRangesList):
     has_names = False