Refactor of caching & data storage part 1

spotproviders/spot_provider.py

@@ -59,7 +59,7 @@ class SpotProvider:
 
     def _add_spot(self, spot):
         if not spot.expired():
-            self._spots.add(spot.id, spot, expire=MAX_SPOT_AGE)
+            self._spots.set(spot.id, spot)
             # Ping the web server in case we have any SSE connections that need to see this immediately
             if self._web_server:
                 self._web_server.notify_new_spot(spot)