setup.cfg: E722 is covered by pylint
diff --git a/setup.cfg b/setup.cfg
index 64f0ebb..9588180 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,7 +15,7 @@
 norecursedirs = tests/integration/project integration-cache tmp __pycache__ .eggs
 python_files = tests/*/*.py
 codestyle_max_line_length = 119
-codestyle_ignore = E129 E125 W504 W605
-codestyle_exclude = doc/source/conf.py buildstream/_fuse/fuse.py buildstream/_protos/build/bazel/remote/execution/v2/remote_execution_pb2.py buildstream/_protos/google/longrunning/operations_pb2.py
+codestyle_ignore = E129 E125 E722 W504 W605
+codestyle_exclude = doc/source/conf.py buildstream/_fuse/fuse.py buildstream/_protos/build/bazel/remote/execution/v2/remote_execution_pb2_grpc.py buildstream/_protos/google/longrunning/operations_pb2.py
 env =
     D:BST_TEST_SUITE=True