pep8

python/dune/perftool/sumfact/accumulation.py

@@ -136,6 +136,7 @@ def get_accumulation_info(expr, visitor):
                                    grad_index=grad_index,
                                    )
 
+
 def _get_childs(element):
     from ufl import FiniteElement
     if isinstance(element, FiniteElement):