diff --git a/python/dune/perftool/sumfact/accumulation.py b/python/dune/perftool/sumfact/accumulation.py
index 311fe13a19fa28646ed6204eed4224c983ed1f35..699c35fd4b9ac94ae231e8b365313c863be21c6b 100644
--- a/python/dune/perftool/sumfact/accumulation.py
+++ b/python/dune/perftool/sumfact/accumulation.py
@@ -110,7 +110,6 @@ class AccumulationOutput(SumfactKernelOutputBase, ImmutableRecord):
             from dune.perftool.sumfact.basis import lfs_inames
             return lfs_inames(get_leaf(self.trial_element, self.trial_element_index), self.restriction)
 
-
     def realize(self, sf, result, insn_dep, inames=None, additional_inames=()):
         trial_leaf_element = get_leaf(self.trial_element, self.trial_element_index) if self.trial_element is not None else None