Use lat lon validation

MapView/main.py

@@ -111,12 +111,7 @@ class MapViewApp(App):
         return next(flt)
 
     def set_pothole_marker(self, point):
-        if isinstance(point, dict):
-            lat = point.get("lat")
-            lon = point.get("lon")
-        else:
-            lat, lon = point
-
+        lat, lon = get_lat_lon(point)
         if lat is None or lon is None:
             return