🔧 refactor(endpoints.py): remove unused import of get_cache_service to improve code cleanliness and maintainability

🔧 refactor(schemas.py): make the backend field in ProcessResponse schema optional to handle cases where backend is not provided
🔧 refactor(utils.py): add type hint ignore comment to import statement for Celery to avoid type checking error

src/backend/langflow/api/v1/endpoints.py

@@ -8,7 +8,6 @@ from langflow.services.database.models.flow import Flow
 from langflow.processing.process import process_graph_cached, process_tweaks
 from langflow.services.database.models.user.user import User
 from langflow.services.getters import (
-    get_cache_service,
     get_session_service,
     get_settings_service,
     get_task_service,

src/backend/langflow/api/v1/schemas.py

@@ -53,7 +53,7 @@ class ProcessResponse(BaseModel):
     result: Any
     id: Optional[str] = None
     session_id: Optional[str] = None
-    backend: str = None
+    backend: Optional[str] = None
 
 
 # TaskStatusResponse(

src/backend/langflow/services/task/utils.py

@@ -3,7 +3,7 @@ from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
     with contextlib.suppress(ImportError):
-        from celery import Celery
+        from celery import Celery  # type: ignore
 
 
 def get_celery_worker_status(app: "Celery"):