diff --git a/invokeai/app/services/session_processor/session_processor_base.py b/invokeai/app/services/session_processor/session_processor_base.py
index 745430d201..7a67c3ab2c 100644
--- a/invokeai/app/services/session_processor/session_processor_base.py
+++ b/invokeai/app/services/session_processor/session_processor_base.py
@@ -5,6 +5,7 @@ from invokeai.app.services.invocation_services import InvocationServices
 from invokeai.app.services.session_processor.session_processor_common import SessionProcessorStatus
 from invokeai.app.services.session_queue.session_queue_common import SessionQueueItem
 
+
 class SessionRunnerBase(ABC):
     """
     Base class for session runner.