diff --git a/python/dune/perftool/generation/hooks.py b/python/dune/perftool/generation/hooks.py
index 0b48f28e827a0f1ab9116ce39f215a5ec61d37da..ed785ff70cd39061a822c9329831ffca709a62f7 100644
--- a/python/dune/perftool/generation/hooks.py
+++ b/python/dune/perftool/generation/hooks.py
@@ -51,4 +51,4 @@ def run_hook(name=None, args=[], kwargs={}):
         if index is not None:
             args[index] = ret
 
-    return ret
\ No newline at end of file
+    return ret