move home to fallback/via_home.py

my/location/common.py

@@ -1,5 +1,6 @@
 from datetime import date, datetime
 from typing import Union, Tuple, NamedTuple, Optional
+from dataclasses import dataclass
 
 from my.core import __NOT_HPI_MODULE__
 
@@ -9,9 +10,12 @@ LatLon = Tuple[float, float]
 
 
 # TODO: add timezone to this? can use timezonefinder in tz provider instead though
+
+@dataclass
 class Location(NamedTuple):
     lat: float
     lon: float
     dt: datetime
     accuracy: Optional[float]
     elevation: Optional[float]
+    datasource: Optional[str] = None  # which module provided this, useful for debugging