diff --git a/python/dune/perftool/pdelab/driver/interpolate.py b/python/dune/perftool/pdelab/driver/interpolate.py
index c2a7571e68f3c5b00cfbf4df1139cb9c5afc7dda..af2edb556219bbd38fc8e968caa6b95cdda4cae9 100644
--- a/python/dune/perftool/pdelab/driver/interpolate.py
+++ b/python/dune/perftool/pdelab/driver/interpolate.py
@@ -18,7 +18,6 @@ from dune.perftool.pdelab.driver.gridoperator import (name_parameters,)
 from ufl import FiniteElement, MixedElement, TensorElement, VectorElement, TensorProductElement
 
 
-
 def interpolate_dirichlet_data(name):
     element = get_trial_element()
     func = preprocess_leaf_data(element, "interpolate_expression", applyZeroDefault=False)