fix wrong import

Author: bisgaard-itis

services/web/server/src/simcore_service_webserver/licenses/_rpc.py

@@ -18,12 +18,10 @@
 from servicelib.rabbitmq.rpc_interfaces.resource_usage_tracker.errors import (
     LICENSES_ERRORS,
     CanNotCheckoutNotEnoughAvailableSeatsError,
+    CanNotCheckoutServiceIsNotRunningError,
     LicensedItemCheckoutNotFoundError,
     NotEnoughAvailableSeatsError,
 )
-from simcore_service_api_server.exceptions.backend_errors import (
-    CanNotCheckoutServiceIsNotRunningError,
-)
 
 from ..rabbitmq import get_rabbitmq_rpc_server
 from . import _licensed_items_checkouts_service, _licensed_items_service