X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=base_presence.py;h=ad852f9f7ebce82d5a76c6d7f1436a78670489e7;hb=31c81f6539969a5eba864d3305f9fb7bf716a367;hp=612193e1df3b84f0ee8fc52b86ab5c94ce7ee38d;hpb=e6f32fdd9b373dfcd100c7accb41f57d83c2f0a1;p=python_utils.git

diff --git a/base_presence.py b/base_presence.py
index 612193e..ad852f9 100755
--- a/base_presence.py
+++ b/base_presence.py
@@ -1,20 +1,19 @@
 #!/usr/bin/env python3
 
 import datetime
-from collections import defaultdict
 import logging
 import re
-from typing import Dict, List, Set
 import warnings
+from collections import defaultdict
+from typing import Dict, List, Optional, Set
 
 # Note: this module is fairly early loaded.  Be aware of dependencies.
 import argparse_utils
 import bootstrap
 import config
+import site_config
 from type.locations import Location
 from type.people import Person
-import site_config
-
 
 logger = logging.getLogger(__name__)
 
@@ -75,7 +74,7 @@ class PresenceDetection(object):
         ] = defaultdict(dict)
         self.names_by_mac: Dict[str, str] = {}
         self.dark_locations: Set[Location] = set()
-        self.last_update = None
+        self.last_update: Optional[datetime.datetime] = None
 
     def maybe_update(self) -> None:
         if self.last_update is None: