Ignore pep8 E402 on __init__.py

python/dune/perftool/__init__.py

@@ -4,10 +4,10 @@ import os
 os.environ["OMP_NUM_THREADS"] = "1"
 
 # Trigger imports that involve monkey patching!
-import dune.perftool.loopy.symbolic
+import dune.perftool.loopy.symbolic  # noqa
 
 # Trigger some imports that are needed to have all backend implementations visible
 # to the selection mechanisms
-import dune.perftool.pdelab
-import dune.perftool.sumfact
-import dune.perftool.blockstructured
+import dune.perftool.pdelab  # noqa
+import dune.perftool.sumfact  # noqa
+import dune.perftool.blockstructured  # noqa