diff --git a/shared/workspaces/workspaces/capability/services/capability_engine.py b/shared/workspaces/workspaces/capability/services/capability_engine.py
index 8e98ce4e8b498c12e9cfe07976ebcb8670066b69..026b701b3fffea7447737c834bc3109ff8722431 100644
--- a/shared/workspaces/workspaces/capability/services/capability_engine.py
+++ b/shared/workspaces/workspaces/capability/services/capability_engine.py
@@ -2,6 +2,7 @@ import logging
 from typing import List
 
 import transaction
+from messaging.router import Router
 
 from workspaces.capability.helpers import CapabilitySequence
 from workspaces.capability.schema_interfaces import CapabilityExecutionIF
@@ -12,8 +13,6 @@ from workspaces.capability.services.interfaces import (
 from workspaces.system.schema import AbstractFile
 from workspaces.workflow.services.interfaces import WorkflowServiceIF
 
-from shared.messaging.messaging.router import Router
-
 logger = logging.getLogger(__name__)
 
 
@@ -26,7 +25,7 @@ class CapabilityEngine(CapabilityEngineIF):
         self,
         capability_info: CapabilityInfoIF,
         workflow_service: WorkflowServiceIF,
-        message_router: Router
+        message_router: Router,
     ):
         self.capability_info = capability_info
         self.workflow_service = workflow_service
diff --git a/shared/workspaces/workspaces/capability/services/capability_queue.py b/shared/workspaces/workspaces/capability/services/capability_queue.py
index de1e28d939fa8c6e82252abd2d28c8943c3516a1..c7dcc686d49198657281b3a9883141782ecf39a3 100644
--- a/shared/workspaces/workspaces/capability/services/capability_queue.py
+++ b/shared/workspaces/workspaces/capability/services/capability_queue.py
@@ -5,6 +5,8 @@ from collections import namedtuple
 from queue import Empty, PriorityQueue, Queue
 from typing import NamedTuple, Optional
 
+from messaging.router import Router
+
 from workspaces.capability.enums import ExecutionState
 from workspaces.capability.schema_interfaces import CapabilityExecutionIF
 from workspaces.capability.services.capability_engine import CapabilityEngine
@@ -14,8 +16,6 @@ from workspaces.capability.services.interfaces import (
 )
 from workspaces.workflow.services.interfaces import WorkflowServiceIF
 
-from shared.messaging.messaging.router import Router
-
 logger = logging.getLogger(__name__)
 
 
@@ -32,12 +32,14 @@ class CapabilityQueue(CapabilityQueueIF):
         capability_info: CapabilityInfoIF,
         workflow_service: WorkflowServiceIF,
         max_concurrency: int,
-        message_router: Router
+        message_router: Router,
     ):
         self.capability_info = capability_info
         self.queue = PriorityQueue()
         self.max_concurrency = max_concurrency
-        self.engine_list = self.init_engines(max_concurrency, capability_info, workflow_service, message_router)
+        self.engine_list = self.init_engines(
+            max_concurrency, capability_info, workflow_service, message_router
+        )
         self.queue_manager = threading.Thread(target=self.process_executions, daemon=True)
         self.queue_manager.start()
         self.paused = False
@@ -48,7 +50,7 @@ class CapabilityQueue(CapabilityQueueIF):
         num_engines: int,
         capability_info: CapabilityInfoIF,
         workflow_service: WorkflowServiceIF,
-        message_router: Router
+        message_router: Router,
     ) -> EngineList:
         """
         Initialize available engine queue and list of in-use engines
@@ -57,7 +59,9 @@ class CapabilityQueue(CapabilityQueueIF):
         """
         engine_list = cls.EngineList(available=Queue(), in_use=[])
         for _ in range(num_engines):
-            engine_list.available.put(CapabilityEngine(capability_info, workflow_service, message_router))
+            engine_list.available.put(
+                CapabilityEngine(capability_info, workflow_service, message_router)
+            )
 
         return engine_list