diff --git a/src/argh/dispatching.py b/src/argh/dispatching.py
index 8985efb..c1d8bb1 100644
--- a/src/argh/dispatching.py
+++ b/src/argh/dispatching.py
@@ -325,7 +325,6 @@ def default_exception_processor(exc: Exception) -> str:
         for line in result:
             yield line
     except tuple(wrappable_exceptions) as exc:
-
         processor = getattr(
             function, ATTR_WRAPPED_EXCEPTIONS_PROCESSOR, default_exception_processor
         )
diff --git a/tests/test_dispatching.py b/tests/test_dispatching.py
index 0c03549..a629cc2 100644
--- a/tests/test_dispatching.py
+++ b/tests/test_dispatching.py
@@ -72,7 +72,6 @@ def func():
 @patch("argh.dispatching.add_commands")
 @patch("argparse.ArgumentParser")
 def test_entrypoint(ap_cls_mock, add_commands_mock, dispatch_mock):
-
     entrypoint = argh.EntryPoint("my cool app")
 
     # no commands