diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_processor.py b/spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_processor.py
index dbddd0659..2a740697c 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_processor.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_processor.py
@@ -51,6 +51,7 @@ from SpiffWorkflow.spiff.serializer.config import SPIFF_SPEC_CONFIG  # type: ign
 from SpiffWorkflow.task import Task as SpiffTask  # type: ignore
 from SpiffWorkflow.task import TaskState
 from SpiffWorkflow.util.deep_merge import DeepMerge  # type: ignore
+from sqlalchemy import and_
 
 from spiffworkflow_backend.exceptions.api_error import ApiError
 from spiffworkflow_backend.models.bpmn_process import BpmnProcessModel