diff --git a/api/controllers/console/__init__.py b/api/controllers/console/__init__.py
index fad1af707f..2eb9d55e48 100644
--- a/api/controllers/console/__init__.py
+++ b/api/controllers/console/__init__.py
@@ -113,7 +113,7 @@ from .explore import (
     recommended_app,
     saved_message,
 )
-from .socketio import workflow as socketio_workflow
+from .socketio import workflow as socketio_workflow  # pyright: ignore[reportUnusedImport]
 
 # Import tag controllers
 from .tag import tags
diff --git a/api/repositories/workflow_collaboration_repository.py b/api/repositories/workflow_collaboration_repository.py
index 2c06e90755..ad8a0a7807 100644
--- a/api/repositories/workflow_collaboration_repository.py
+++ b/api/repositories/workflow_collaboration_repository.py
@@ -93,7 +93,12 @@ class WorkflowCollaborationRepository:
 
     def get_session_sids(self, workflow_id: str) -> list[str]:
         raw_sids = self._redis.hkeys(self.workflow_key(workflow_id))
-        return [self._decode(sid) for sid in raw_sids if self._decode(sid)]
+        decoded_sids: list[str] = []
+        for sid in raw_sids:
+            decoded = self._decode(sid)
+            if decoded:
+                decoded_sids.append(decoded)
+        return decoded_sids
 
     def list_sessions(self, workflow_id: str) -> list[WorkflowSessionInfo]:
         sessions_json = self._redis.hgetall(self.workflow_key(workflow_id))