fix some types

1 files changed, 2 insertions, 2 deletions

diff --git a/at/webapp.py b/at/webapp.py
index c809202..a9d9949 100644
--- a/at/webapp.py
+++ b/at/webapp.py
@@ -5,7 +5,7 @@ from at.dhcp import DhcpdUpdater
 from pathlib import Path
 import yaml
 import os
-from typing import Tuple
+from typing import Tuple, Optional
 
 import grpc
 from at.tracker_pb2 import ClientsRequest
@@ -32,7 +32,7 @@ class DevicesApi:
             ) for d in devices.clients
         }
 
-    def get_device(self, ip: str) -> Tuple[str, str]:
+    def get_device(self, ip: str) -> Tuple[Optional[str], Optional[str]]:
         devices = self._api.GetClients(ClientsRequest())
         for device in devices.clients:
             if device.ip_address == ip: