better naming for celery and grpc

api/routes/system.py

@@ -25,7 +25,7 @@ def system_status():
 def worker_status():
     """Worker status from gRPC."""
     try:
-        from grpc.client import get_client
+        from rpc.client import get_client
 
         client = get_client()
         status = client.get_worker_status()